Zip seal bags

Buy best value zip seal bags now, including zipper bags, zip slider bags and ziplite bags, for a classic resealable polythene bag with a sturdy but stylish zip seal for repeated opening and closing.

Zip seal bags and zipper bags are quality resealable polythene bags that feature a zip fastener allowing for easy slide opening and closure of the bag. Made of sturdy polythene and featuring a plastic slidergrip seal, the zip bag - or zip slider bag - is a simple classic design. You simply zip open the bag or zip it back to lock it shut, to use over and over again. Zip bags are an ideal way of transporting important documents, such as artwork, office documents or schoolwork, with a professional look and feel at budget cost. Ziplite bags are less than half the weight of regular zip bags so offer an even more cost-effective solution, while premium zipper bags offer the top quality polyfolio bag with a metal zip fastener, perfect to make a great impression at work conferences or exhibitions.

Sealing and resealing bags are...

• Reusable polythene bags that can be opened and closed
• Designed for multiple use - open and close as many time as you like!
• Bags that can be sealed by a variety of means, including self-seal bags

Ten things you might hear about zip seal bags

In food-service handling, packaging supplierble bags are judged less by shelf appeal than by how predictably they behave at the pack bench and in the chill chain. A well-engineered format uses a high-clarity polythene suppliers film with tightly controlled micron gauging, so the mouth presents cleanly and the zipper profile closes without hunting for alignment; that matters when secondary bagging is being done one-handed between selects and portioning. External grip geometry is not mere ornament eitherit mitigates slippage from condensation, oils and flour dust, which in turn improves select-face efficiency and reduces the small nevertheless persistent misuse that comes from mis-seals and torn headers. The carton itself has a part to play: decent moisture resistance maintains stack integrity in back-of-house stock rotation, limits fibre breakdown in humid prep areas, and retains the bags complimentary from incidental pollution before issue. From a transport perspective, low tare weight and flat-pack volumetric efficiency assist denser consignments and steadier pallet formation than rigid food-storage formats, while a mono-material buildingassuming sensible ink coverage and zipper compatibilitysimplifies recyclability and improves the amortised energy case across repeated use cycles.

Zipper reclosable bags in a 3 mil gauge occupy a useful middle ground between flimsy secondary bagging and the heavier formats that beginning to punish tare weight and cube utilisation; at roughly the 75-micron label, the polythene suppliers film has enough body to resist corner puncture from mixed small parts, yet still folds down cleanly at the select-face without creating nuisance bulk. The engineering detail sits in the closure as much as the web: profile alignment, lip stiffness and melt-flow consistency determine whether the zipper tracks engage repeatedly after handling, rather than splaying below compression in a tote or on a crowded pallet. For dry components, rework kits and line-side consumables, that reclosability mitigates stock pollution while cutting the habit of above-bagging; surface clarity assists fast visual checks, and a controlled slip/anti-block balance retains bags feedable without becoming skittish in manual packing. Where specified as a mono-material polythene suppliers building, the format also avoids the recycling headache of mixed laminates, allowing offcuts and clean mail-use material to sit more adequately within established recovery streams. It is not a glamorous pack, nevertheless on the warehouse floor the value is plain: less failed closures, better volumetric efficiency, less loose stock, and a modest nevertheless tangible reduction in avoidable packaging waste.

Zip slider bags sit in an awkward nevertheless productive corner of flexible packaging: nominally simple, yet heavily engineered around the realities of freezer storage, case-packing and repetitive handling at the select face. The slider itself is only the visible mechanism; the more consequential work is being done by the base film, where gauge control, puncture resistance and low-temperature flex performance have to be balanced against tare weight and line speed. A bag built for chilled or frozen product typically leans on a denser polythene suppliers structure and tighter melt-flow consistency so the zipper track can be welded cleanly without weak shoulders or gel faults appearing in the seal area. That matters on the warehouse floor, because a closure that feels acceptable in bench testing can become a nuisance once secondary bagging, carton compression and pallet vibration beginning forcing product into the corners. In practice, the appeal of the slider format is less about novelty than throughput: fast one-handed closure, less mis-seals, cleaner stock rotation and better volumetric efficiency than rigid tubs, all while maintaining efficient product visibility through transparent film. The trade-off, of course, sits with recyclability, since the convenience feature complicates what would otherwise be a straightforward mono-material stream; the better converters now mitigate that by keeping the closure and body within compatible polythene suppliers families, which maintains at least a plausible route back into film-grade feedstock rather than pushing the all consignment towards mixed-flexible waste.

Slidergrip bags sit in a rather specific corner of flexible packaging; they are specified not simply for closure convenience, nevertheless because the mechanics of repeated opening and reclosure alter how a pack performs through picking, secondary bagging and last despatch. The engineering detail is less apparant than the format recommends: rib-and-channel geometry has to marry with the base film's gauge tolerance, otherwise seal integrity drifts and the slider starts to snag below warehouse dust, fines or small film curl. In practice, that means balancing melt-flow consistency in the extruded polythene suppliers with enough toughness in the polymer chain structure to resist split-out at the header, while keeping tare weight low enough that volumetric efficiency is not quietly eroded across a full pallet. The better executions tend to favour mono-material building, since that simplifies mail-use recovery and avoids the sorting penalties associated with mixed-component packs, yet recyclability only certainly grasps if inks, closures and any anti-static treatment remain compatible with the reprocessing stream. On the warehouse floor, the attraction is straightforward: better select-face efficiency, less product spill amid partial-use cycles, and less spoiled units where normal press-seal formats are forced open by trapped air or overfill. Even so, the format is not indulgent packaging; it is a controlled reply to stock handling friction, where surface resistivity, seal window discipline and pallet stability all have to line up if the consignment is to arrive looking as though it has not been handled at all.

Zip Seal Bags Large Sale

Zip seal bags give a simple reply when loose parts need to stay clean, visible and easy to reopen. The proper value is not only the bag itself, nevertheless the method it handles repeated opening without falling apart, which matters in stores, kitchens and small stockrooms alike. A superb seal closes evenly along the track, retains out dust and assists stop items escaping amid picking or transport. Gauge requirements to suit the contents also, because thin film can split below rough handling while heavier film adds cost and stiffness. The sensible selection is the one that matches the job and reduces wasted repacking later.

Details about   100 x Matte Black Grip Seal Bags Flat Pouch For Food Packaging Heat Seal-able

Matte black grip seal bags sit in a fascinating corner of the packaging trade: outwardly simple, yet heavily governed by film behaviour, line discipline and stop-of-life considerations. In a flat-pouch format, the appeal is not merely visual concealment of contents; it rests on a tighter balance between micron-specific gauging, seal integrity and handling efficiency across packing benches and select faces. The grip-track itself has to close with repeatable engagement without above-stiffening the mouth of the bag, while the body filmtypically a polythene suppliers structure engineered for stable melt-flow consistencymust tolerate both routine opening cycles and secondary heat sealing where tamper evidence or shelf-life control is required. That introduces the normal frictions: black pigment loading can alter thermal response at the sealing jaw, excessive gauge lifts tare weight and erodes volumetric efficiency, and poorly specified surface properties can slow manual packing by encouraging bag-to-bag cling. When the specification is proper, nevertheless, black grip seal bags facilitate tidy small-parts collation and food-contact presentation alike, improving pallet stability through uniform pack geometry and reducing stockholding complexity where one mono-material pouch can cover both temporary reclosure and last seal applications. From a circular-economy standpoint, the sensible route tends to be material simplicity rather than laminated clevernessless incompatible layers, cleaner waste streams, and more credible recyclability, even if the trade-off is that barrier performance must be achieved through gauge, process control and disciplined use rather than exotic structures.

Coloured grip seal bags occupy a rather practical corner of the packaging trade: not glamorous, nevertheless quietly formative in how small components, fixings, samples and returns are controlled through a busy stores environment. The colour is not merely cosmetic; it acts as a visual code at the select-face, reducing dwell time where operatives are sorting close-identical parts below indifferent warehouse lighting. The polythene suppliers itself must still do the harder work maintaining seal memory, resisting puncture from sharp-edged contents, and holding a consistent gauge across the web so that one batch does not behave differently from the next. Where high-density polymer chains are specified, the bag earns stiffness and improved clarity of handling; with lower-density blends, the hand feel softens and the seal can be more forgiving. The engineering compromise sits in the mouth of the bag, where repeated opening and closure places strain on the interlocking ribs. Poor melt-flow consistency shows there first.

Leak proof zip bags are a practical reply when contents need to stay clean, dry, and contained amid storage or handling. The interlocking seal gives a simple mechanical closure that is easy to open and close, nevertheless the proper value relies on the grade of film, the accuracy of the seal track, and how well the bag is filled. A flimsy bag can split at the corners or let fine dust work through, while a better-manufactured one retains small parts, samples, or food items secure through dispatch and shelf handling. For packing lines, they also save time because operatours can close them without additional adhesive or heat sealing. That makes them a useful secondary pack when a tidy, proper closure matters.

For small-format components, transparent self-seal bags with a hang hole sit in that unglamorous nevertheless finely tuned part of packaging where millimetres and handling seconds matter. A nominal 13.5 cm by 6 cm bag, yielding something closer to a 9 cm by 6 cm usable pocket once the closure geometry and header are accounted for, is not merely a sleeve; it is a select-face assist, a tamper-evident presentation unit and a means of keeping low-mass stock from disappearing into tote corners. The polythene suppliers film has to balance clarity with enough gauge to resist fingernail puncture and edge-splitting around sharper contents, while the self-seal strip requirements stable tack without contaminating the aperture or curling the header below warehouse humidity swings. The hang hole introduces its possess engineering compromise: also small reinforcement and the pack tears on peg display; also much material and the tare weight starts to work against volumetric efficiency when consignments scale into cartons and pallet layers. In better-specified runs, melt-flow consistency and micron-specific gauging give repeatable bag mouth behaviour, which reduces secondary bagging, improves count accuracy in 200-part outer packs, and retains pallet stability predictable. From a circular-economy standpoint, the virtue lies less in rhetoric than in restraint: a mono-material polythene suppliers building, kept complimentary from laminated labels or mixed polymer fitments, is easier to recover into lower-grade film streams, provided adhesive pollution is controlled and the film has not been above-engineered beyond the duty cycle.

Grip seal bags stay popular because they give a simple, controlled closure without needing additional machinery or permanent seals. In distribution, that matters when small parts, samples, or short-dash products need fast packing and easy reopening without damaging the contents. The price picture from 2013 to 2018 would have been shaped less by glamour than by resin cost, gauge selection, and production efficiency, since thin polythene suppliers can be cost-effective to dash nevertheless still requirements tight film control for a clean zip profile. Cheaper bags can save money at dispatch, yet poor seal quality fast turns into spills, complaints, and wasted stock, so the proper spec normally pays back in less handling problems.

Self-seal bags are...

• Manufactured with an integral sealing strip, located along the bag opening, to allow for easy opening and closure
• Also known as minigrip bags, mini-grip bags, gripper bags, grippa bags and resealable bags
• Ideal for securing bag contents and avoiding leakage or contamination
• Available in a variety styles to suit a range of uses, from storage bags to carrier bags
• Available in clear polythene with or without labels - to make a note of bag contents and help retrieval
• Available in variety of coloured opaque polythene - e.g. red, green, blue or black - to help with item storage and colour-coded retrieval
• Also available in more specialist polythene, from heavy duty grip seal bags to anti-static grip seal bags
• Sometimes referred to as zip seal bags. However…

Zip seal bags are…

• Manufactured with a metal zip fastener or zip seal, making them…
• A more premium bag than a grip seal bag
• Used for storing important documents, such as art portfolios or school project work
• Ideal for use as a wallet for conference delegates or for exhibition attendees
• Also known as zip bags, ziplite bags or zipper bags

Sealable, resealable and self-sealable - there's more than one way to seal a bag

Sealable bags

Any plastic bag that can be sealed shut can be described as a sealable bag.

The sealing process can be carried out by any means, including a bag tie or clip (e.g. a sandwich bag with a twist tie), an adhesive strip, either external (e.g. sealing any bag with cellotape) or internal (e.g. as with a mailing bag), an internal self-seal strip (e.g. as with a minigrip bag) or by heat sealing with an external sealer (e.g. as with vacuum bags).

So any plastic bag that is designed with a seal can be called a sealable bag. However, not all sealable bags can be called resealable bags.

Resealable bags

Only bags where the seal can be reused can be classified as resealable bags. Some bags, such as mailing bags, feature a single-use seal that can't be reused without tearing open the bag itself and thus rendering it useless. Mailing bags are a very convenient way of sending post - thanks to their integral adhesive seal - but, because their seal is strong enough to keep the mail contents secude until the bag is cut or ripped open by the recipient, then a mailing bag is not a resealable bag, although it is a sealable bag.

Self-seal bags

Not every sealable bag be called a self-seal bag. This monicker is reserved only for bags that can be sealed closed without using any external sealing accessory - including adhesive tape, clips or bag ties - and without the use of a heat sealer to melt the polythene and seal the bag.

The most popular types of resealable bags are grip seal bags. These bags, which are sometimes known as mini-grip bags, gripper bags or grippa bags, feature an integral seal that runs along the top of the bag.

The seal contains a male (single) and female (double) ridge of plastic on opposite sides of the bag opening. When the seal is squeezed gently between thumb and forefinger, the male ridge fits snuggly into the female ridges to close the bag. This seal protects the contents of the bag from moisture, dirt and other external contaminants.

It can be used over and over again, which means the grip seal bag is a sealable bag, a self-seal bag and a resealable bag.

This handy bag is available in a huge range of sizes, made from clear, coloured or black polythene, with or without labels to make handy notes on the bag and with specialist options including antistatic bags - to keep electrical components safe - and specimen bags with accompanying record cards - perfect for hospitals, doctors' surgeries and police stations.

Methods of sealing plastic bags

The most common ways of sealing a polythene bag are by:

Sealing the bag with ties or clips. Fasten any bag shut with a plastic clip or twist shut with a tie. A popular method of sealing food bags for domestic use (e.g. clip a packet of frozen peas shut before placing in freezer, twist a sandwich bag closed for a packed lunch etc.)

Sealing the bag with a built-in adhesive flap. Some bags such as mailing bags are manufactured with a flap opening, where the flap contains a built-in adhesive strip attached along its length. Simply remove the cover from the adhesive and press the flap down to seal.

Sealing the bag with a built-in grip or zip seal. A range of bags are available with an integral strip that seals shut either by squeezing the seal together (grip seal) or pulling closed (zip seal). Very handy for regular use as they can be used over and over, these bags also provide great protection from moisture, dirt etc.

Sealing the bag with a heat sealer. If you really want to seal your bag shut tight this is the method for you. A heat sealer will bond two pieces of plastic when placed together in the sealer and the sealer is closed shut. A one-time seal, this method of sealing bags is popular for vacuum packing food.

Where to buy sealing and resealing bags

Resealable bag manufacturers and suppliers include:

Ziplock Bags
The home of ziplock bags online, this website features everything you need on ziplock, zipper, ziplite, grip seal and all self-seal bags. With a huge range of products at great prices and free delivery within the UK, this is the number one ziplock website out there.
www.ziplockbags.co.uk

Self Seal Bags
Specialists in self-seal bags, this website stocks a huge range of resealable bags from grip seal to mini grip and ziplock to ziplite. Packed with loads of useful information to help you choose the right bag for you, with free delivery to UK addresses.
www.self-seal-bags.co.uk

Plastic Self Seal Bags
Discount Self Seal Bags is the place to go to get resealable plastic bags at discount prices. Also features loads of useful information on self-seal bags, including a handy buying guide to make sure you pick the right sort of resealable bag for you.
www.discountselfsealbags.co.uk

Minigrip Bags
A website loaded with information on minigrip bags - aka grippa bags - and all types of self-sealing bags, with list of the best places to buy them online. Features a useful guide to anti-static self-seal bags, what they are used for and how they work.
www.minigrip-bags.co.uk

Zip Seal Bags
Zip Seal Bags contains loads of great information on zip seal bags and other types of self-seal polythene bags and eco-friendly alternatives. It also features a handy list of online zip seal bag retailers.
www.zipsealbags.co.uk

Antistatic Bags
Antistatic bags is the number one website dedicated to antistatic bags. Containing a wealth of information on antistatic packaging and how it works, along with details of where to buy it at the best possible prices.
www.antistatic-bags.co.uk

Resealable Bags
Resealable-Bags is a division of Polybags Ltd, the UK's number one polythene manufacturer, that specialises in resealable bags. Offering an unrivalled range of resealable bags and other polythene packaging at the best prices online.
www.resealable-bags.co.uk

Advice from the web on zip seal bags

Golden And Black Heat Re Sealable Bags

Sealable bags work optimal when the closure matches the product and the handling it will face. A bag that seals cleanly can keep safe loose products from dust, damp and spillages, nevertheless only if the film gauge and seal quality are proper for the job. Thin stock may suit light shopping items, while heavier contents need a firmer seam and better puncture resistance so the bag does not split in transit or on the shop floor. Good bag selection also assists packing speed, because operatours waste less time fighting poor closures. When the specification is proper, the pack sees tidier, travels better and causes less complaints at the point of use.

packaging supplierble bags earn their place on the packing line because they give small items a clean, fast closure without needing heat-sealing kit. A simple press-to-close strip is useful for parts, samples, stationery, or loose hardware, particularly where products may need opening and shutting above once before last dispatch. The proper advantage is control: contents stay together, pollution is reduced, and the pack can be checked without replacing it all time. Choice still matters, though, because bag gauge, seal quality, and the feel of the closure affect how well the pack survives handling. Used properly, they assist tidy storage, easier picking, and less waste at the stop of the job.

Polypropylene Zipper Reclosable Bags - Online Shop Results - Showing more then 85 results at Polybags

Zipper reclosable bags are chosen because they combine presentation with practical protection in one simple pack format. Clear polypropylene gives a clean view of the contents, which assists shopping products see tidier on hang-faces and makes it easier to spot the proper item in storage. A pinch-track zip gives a secure close-and-open action without needing heat sealing, so the same bag can be reused for short-term packing or client handling. The 2 mil film retains out dust and splashes while resisting grease and vapour better than a flimsy sleeve, and the usable internal size matters when selecting a bag for product fit. That makes them a sensible option where appearance, cleanliness, and fast handling all need to work together.

Hefty One Zip Slider Bags, Freezer, 1qt, 2.5 mil, Clear, 35/Box, 9 Box/Carton (R82235CT)

Zip slider bags at the one-quart format sit in a fascinating corner of the packaging trade: small enough to assist disciplined select-face efficiency and part control, yet robust enoughat 2.5 mil gaugeto tolerate the repeated handling that typically ruins lighter polythene suppliers stock. The slider mechanism is not merely a convenience feature; it reduces seal variability on the warehouse floor and in secondary bagging operations, where hurried manual closure can otherwise compromise product integrity or invite freezer burn through imperfect track engagement. In material terms, the balance lies in a relatively dense film structure with stable melt-flow consistency, giving the bag sufficient puncture resistance without imposing needless tare weight across a larger consignment. That matters in aggregate, because volumetric efficiency is only half the story; poor closure reliability and inconsistent gauge fast translate into spoilage, rework and unstable carton counts. From a circular-economy standpoint, the engineering challenge remains the mixed-component closure assembly, which complicates straightforward mono-material recyclability, yet the longer service life and reduced product waste still improve the amortised energy profile when compared with thinner formats that fail early in use.

Slidergrip bags sit in a useful middle ground between simple press-seal polythene suppliers and more elaborate reclosable formats; the value is not merely ease of closure, nevertheless repeatable seal integrity below normal warehouse abuse. In practice, that means less failures amid secondary bagging, less particulate ingress at the select-face, and better control of moisture exposure for small components with a low tolerance for dust, handling grease or ambient humidity. The engineering is fairly prosaic nevertheless necessary: a well-extruded closure profile, consistent micron-specific gauging through the film, and stable melt-flow consistency all govern how reliably the slider tracks across the mouth without snagging or inducing stress-whitening along the seal area. That, in turn, has a logistical bearingtidier pack presentation improves pallet stability for lighter consignments, while low tare weight maintains volumetric efficiency where outer cases are being cube-optimised rather than merely filled. There is also a circular-economy argument, provided the bag remains a largely mono-material polythene suppliers structure; recyclability is more straightforward when mixed substrates and unnecessary laminations are kept out of the specification, and the amortised energy tied up in repeated handling is lower when the same pack can be opened and reclosed without rendering the contents unsaleable or contaminated.

Details about   50ct CERTZ orange design Stand up Foil lined cookies zip seal bags

Zip seal bags with a stand-up format work well for cookies because they retain the contents tidy, visible, and easier to handle on shelf or in a packing line. The foil lining assists slow down moisture earn, which matters when baked products need to stay crisp rather than turning soft in the case or in a cupboard drawer. A cake batter design also gives the pack a more recognisable gift or impulse-buy see, so the bag has a shopping job as well as a storage job. For a 50-count format, the pack size suits part control and secondary packing, and the zip seal makes repeat opening less messy. That kind of pack selection normally pays off in better shelf life and less damaged biscuits.

(15 (5.9x8.6 inch)) 100 x Matte Black Grip Seal Bags Flat Pouch For Food Packaging Heat Seal-able BPA Free Description

Matte black grip seal bags sit in an oddly technical corner of packaging: outwardly simple, yet heavily influenced by film architecture, closure integrity and the untidy realities of fulfilment. In practice, the value lies not merely in concealment or presentation, nevertheless in the method a well-manufactured polythene suppliers pouch grasps its line below repeated handlinghigh-density polymer chains in the seal track need sufficient stiffness to enable clean engagement, while the body film must retain enough flexibility to avoid split corners amid secondary bagging and tote-based picking. The black pigmentation does above alter appearance; it can assist light shielding for sensitive stock, though it also places greater scrutiny on melt-flow consistency amid extrusion, because any gauge tolerance tends to display up later as erratic opening behaviour at the select-face. From a warehouse perspective, flat pouches of this type earn their retain through volumetric efficiency and low tare weight impact, allowing denser consignments, steadier pallet formation and less dead space than rigid small-format packaging. If the specification remains mono-material, recyclability is at least technically more straightforward than with laminated alternatives, although that advantage only grasps when closures, film and any added treatment remain within a compatible recovery stream.

Zip Bags

Zip bags manufactured from low-density polythene suppliers suit jobs that need a softer, more forgiving pouch rather than a stiff, brittle one. The material takes the stresses of sealing, opening and re-closing without feeling harsh, and that flexibility assists when bags are filled with mixed shapes or small parts that would put strain on a harder film. LDPE also tends to see slightly cloudier than HDPE, which may suit normal-purpose packing where clarity is not the main concern. In practical terms, the gauge and seal quality matter above appearance alone, because a bag that opens cleanly and grasps its shape in handling saves trouble on the packing line and in storage.

Self-seal bags in this format sit in an awkward nevertheless useful space between loose-occupy protection and full secondary bagging; the engineering merit lies not in the flap alone, nevertheless in how the bubble laminate, pouch geometry and seal performance interact below normal warehouse abuse. An 8-inch by 11-inch pouch built around a 3/16-inch bubble profile gives a predictable cushioning stand-off for small, dense stock, while the thicker wrap curbs burst failure when edges telegraph through the film amid tote handling and select-face replenishment. The self-seal strip matters because it removes tolerance at pack benchesless dependence on heat equipment, less dwell time per consignment, and less poorly closed mouths that compromise pallet stability once outer cartons are stacked. Where the building remains predominantly polythene suppliers, mono-material recovery is at least technically plausible, though that depends heavily on adhesive compatibility and melt-flow consistency in the reprocessing stream. There is, also, a logistical dividend: low tare weight maintains volumetric efficiency better than board-based protection, yet the pouch still requirements credible gauge control and surface integrity, otherwise static cling, flap curl and inconsistent sealing start to erode throughput in precisely the high-turn environment these bags are meant to facilitate.

Grip seal bags are normally chosen for practical handling rather than presentation, because the closure lets small parts, samples, paperwork or food items be opened and closed without more packaging. The material has to be matched to the job: a thin bag may be fine for light products, while a heavier gauge gives better puncture resistance and a firmer feel in transit or storage. Production quality matters as much as the bag itself, since a weak track or poor seal profile leads to split corners, leaks and returns. Good stock control at dispatch also assists, because mixed sizes and grades can slow picking and create avoidable waste.

Research & Resources

For plenty more information on sealing and resealing bags, including the manufacturing process, types of self-seal bags available and their many uses, please visit:

PlasticBags.uk.com: Browse through a huge range of self seal bags websites or, if you are a manufacturer, list your products for free on this online directory specialising in self seal bags and other plastic packaging.

PackagingKnowledge: The UK packaging industry's number one website contains huge amounts of information and in-depth articles on self seal bags.

Goldstork: This free online directory features specially selected information and hand-picked features on a range of self seal bags and resealable bags.

What is static electricity?

Every object in the world - ourselves included - is made of atoms, which are in turn made of protons, neutrons and electrons. While neutrons have no charge, protons are positively charged and electrons are negatively charged.

In normal circumstances, the number of protons and electrons in an atom balance each other out, meaning that atoms have no charge. However, when two items rub together or separate, the electrons contained within these items can move from atom to atom or even from item to item, thus giving the atoms a positive or negative charge.

If the items involved in this situation are made from a material that does not conduct electricity - an insulator - then this charge can not move. The result is static electricity.

How do antistatic self-seal bags work?

If any static electricity comes into contact with an antistatic self-seal bag, rather than pass through the bag and risk damaging the electrical components inside the bag, the electricity passes around the bag and dissipates before it can make contact with the components, thus removing the possibility of damage.