For all your sealing and resealing bag needs

Resealable plastic bags

Buy from an extensive range of resealable plastic bags, including best value grip and zip seal bags, minigrip bags, zip seal bags, stand-up pouches and specimen bags.

Resealable plastic bags are polythene bags with a integral seal that can be used repeatedly to open and close the bag. Whereas sealable bags - such as mailing bags or peel and seal display bags - can be sealed, their seal can only be used once, whereas the seals on resealable plastic bags can be used over and over again. Popular types of resealable plastic bags are grip seal bags - also known as minigrip bags or gripper bags - which have a squeeze-shut seal running along the opening of the bag, along with zipper, ziplite and zip slider bags, which feature a zip or zip-style slider that is pulled from the outside of the bag to seal and reseal the bag upon each use.

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

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…

Top ten common things said about resealable bags

Clear packaging supplierble bags work well for hangsell packs because the product can be seen at once while still staying protected on the shelf. A transparent film or bag removes the need for a printed carton when visual appeal matters above heavy presentation, and the pound hole makes the pack easy to hang on normal shopping display hooks. The seal has to open and close cleanly without splitting the lip, or the pack loses both function and shelf life. For lighter products, this format retains secondary packing simple and assists maintain tidy select-face handling in the warehouse, so the finished pack reaches store prepared for display.

packaging supplierble Polypropylene Bags - Polybags

Clear packaging supplierble polypropylene bags give packers a tidy method to keep safe small items while still keeping them easy to inspect and handle. The transparent film lets operatours spot the contents at a glance, which assists with picking, checking and stock control when similar products are stored together. A decent zip or press-to-close seal also reduces spillages in transit and retains dust out amid storage, so the contents stay presentable for longer. Because polypropylene is fairly stiff, the bag normally opens neatly and grasps its shape better than softer films. That makes it useful for secondary packing where speed, visibility and a sensible level of protection all matter.

Big packaging supplierble bags work well for ambient snacks because they reduce handling and retain the display tidier at the shelf edge. A single larger pack is easier for depot staff to face up, and it cuts down on the churn caused by several small units being moved, split or damaged in transit. The format also suits shared use better than individual sachets, so stock can sit in the select-face with less fiddling and less loose items. That said, the bag has to stand up properly and close cleanly, or the all case sees untidy and performs badly in storage. A sensible specification gives better presentation and less complaints about crushed stock.

Premium Faraday Cage Metalised Zip-top packaging supplierble ESD Bags - EMP Protection

packaging supplierble ESD bags keep safe sensitive components properly only when the film, metal layer and zip-top closure all work together. The conductive or metalised structure assists spread charge and reduce the risk of a sudden static discharge, while the packaging supplierble opening retains parts protected after the pack has been opened on a bench or in a storeroom. A weak seal, a damaged track or a badly handled bag can let in dust and moisture and undo the benefit. For kitting, returns handling and short-term storage, that balance between protection and reuse makes the format practical as well as tidy.

Freezing dairy cream promptly assists maintain texture and flavour, nevertheless the packaging selection has a big say in how well that moisture-rich product survives the cool store. Small packaging supplierble bags are useful for portioning crme frache because they reduce the amount exposed to air each time the pack is opened, which limits skinning, odour pickup, and freezer burn. A thin bag also freezes flatter than a tub, so it chills faster and stacks better in a freezer drawer or depot pallet. The grasp is seal quality: a poor closure lets in air and causes ice crystals, which ruin the stop. Good part control normally gives better shelf life than a single big pack left to thaw and refreeze.

packaging supplierble polythene suppliers bags perform well only when the film weight and closure suit the products inside, because a bag that is also light will split below filling and stacking, while one that is also heavy can become clumsy and costly to handle. Dry products often need enough gauge to resist puncture from corners, clips or rough treatment on the line, yet there is small point in above-specifying material if that only makes pallet loads harder to manage. A sensible selection reduces snagging, improves select-face efficiency and retains warehouse staff from sorting out avoidable damage. The proper balance turns the bag into proper pack protection rather than an awkward additional layer.

Save Money On packaging supplierble Cello Bags and Other Business Products Today

packaging supplierble cello bags work optimal when the seal is proper, because a weak closure turns a tidy pack into wasted stock. In a shop or packing room, the bag requirements to open cleanly for filling, then shut firmly enough to retain dust, moisture and stray handling off the product. Film thickness matters here, as a thin gauge can split at the fold line while a heavier one may feel stiffer nevertheless stay in shape better through transit. Clear cello also assists inspection at the select-face, since staff can see contents without opening packs. A sound seal means less returns and less rework on the line.

packaging supplierble poly bags work optimal when the film, seal and opening size are matched to the products inside. A flimsy gauge may save a small material, nevertheless it often splits at the fold or gives a zip that will not stay shut once the bag has been handled a few times. That causes loose contents, messy cartons and avoidable rework on the packing bench. For small parts, leaflets or samples, the bag requirements enough strength to survive sorting, picking and repeated opening without turning cloudy or old. A sensible spec retains the contents contained and the dispatch line moving.

Large packaging supplierble bags suit fast-moving dry foods because they cope with opening, closing and muddling around without losing the product inside. A decent seal retains spices from drifting through the pack, stops crumbs building up in the fold, and gives the contents a better chance of staying tidy after repeated use. The film still has to be tough enough to handle rough treatment, particularly when angular bits push into the corners amid transport or display. If the gauge is also light, splits and pinholes soon appear; if it is also heavy, the pack beginnings wasting material and room on the pallet. That balance is what makes the bag practical rather than merely convenient.

Specimen bags are often chosen because they retain loose, varied items together without demanding rigid packaging. In a mixed assortment of material samples, botanical material, crystals, spices and small containers, a transparent bag lets the contents be seen fast while still limiting loss, pollution and handling damage. That matters when parts are being sorted, stored or moved through a studio, archive or dispatch area, since small components can vanish fast in open boxes. The bag also gives a few control above dust and stray moisture, which assists when the contents include paper, thread or fragile biological material. A superb specimen bag turns a scattered set of objects into a manageable unit.

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

Have your say about resealable bags

Black packaging supplierble bags work well for split-weight packing because the format is tough enough for daily handling while still being easy to occupy and close on the line. A decent polythene suppliers gauge gives the bag enough puncture resistance to survive tote transfers, secondary packing and repeated contact in the select face, which matters when small consignments are being manufactured up at pace. The seal or zipper track has to sit cleanly, though, because poor alignment or weak welds soon lead to product loss and nuisance leaks. When the closure is sound, the bag stays tidy through the system and the picking operation runs with less waste and less rework.

50mm x 180mm + 30mm Lip Clear packaging supplierble Bags (100

Clear packaging supplierble bags are a simple selection when product visibility and fast access matter above like presentation. The transparent film lets shop staff, clients, or warehouse operatours check the contents without opening the pack, which cuts mis-selects and speeds up count checks on fast-moving lines. A superb reseal also assists retain items clean and reduces the chance of small products spilling amid handling or dispatch. Size matters here, because a bag that is also loose wastes space and one that is also tight can stress the seal. Used well, this format retains packing tidy and stock easier to handle.

packaging supplierble polypropylene bags suit toys and games because they keep safe mixed parts while still letting staff and clients open and close the pack without damage. A light 1.5 mil film retains the bag flexible and efficient for small items, flat games, card sets, and accessories, while the reseal strip assists stop parts being spilled amid picking, returns, or shelf handling. The bag also gives enough clarity for contents to be checked fast, which assists avoid errours at packing stations. For small, low-risk products, that balance of visibility, access, and containment makes sense and retains secondary packing simple.

Big packaging supplierble bags work optimal when they are treated as storage for a controlled consumable, not only as a loose bulk sack. The bag size can tempt handling mistakes, because repeated opening lets in dust, moisture and stray product, and that soon affects the see and flow of the contents. When a powder or small component carries a coating or fine stop, poor bag closure can lead to clumping, colour drift or pollution from nearby stock. A proper seal also assists retain secondary packing tidy in the warehouse and reduces returns caused by damaged or stale material. Good resealing discipline normally pays back in cleaner stock and less waste.

Small packaging supplierble bags matter because they turn loose products into counted, protected units that are easier to handle through packing and dispatch. In shop-floor terms, the bag size, seal quality and film gauge all affect whether the contents stay secure in transit or beginning escaping at the first rough journey. A weak zipper or poor heat seal can lead to pollution, leakage and handling damage, while a tidy reseal assists the contents stay presentable for the next stage. Where small packs are being filled fast, consistent film tension and clean sealing jaws make a proper contrast to output and misuse. The proper bag spec retains stock easier to store, select and send without avoidable losses.

packaging supplierble polythene suppliers bags reduce waste on the packing bench because one pack can be opened, filled, sealed, checked, and opened again without reaching for fresh outer packaging each time. That saves time where items are handled several times in a shift and makes the job less awkward for staff sorting mixed lines or returned stock. The bag only works properly, though, when the film gauge is proper and the closure grips cleanly after repeated use; flimsy material soon curls at the lip or loses its shape. A decent write-on panel also retains batch notes and item codes readable, which assists the next person trust what is inside.

SelfTek 300Pcs packaging supplierble Cello Bags 2 Sizes Clear Bakery Bags for Candy Cookie Bread Chocolate 4 x 6inch and 5 x 7inch

packaging supplierble cello bags are a practical selection for small baked products and confectionery because they retain items visible while giving a tidy, tidy stop on the shelf or in a hamper. Clear film assists the product sell itself, nevertheless the proper value comes from the reseal strip, which lets a client close the bag again after opening and cuts down on staleness. For cookies, sweets and small slices of bread, that means less waste and better presentation amid storage and dispatch. The pack also offers two useful sizes, which makes stock handling easier when alternative pack formats are needed.

packaging supplierble poly bags are a practical selection when small products need to be opened, checked, and closed again without losing protection. The transparent film makes contents easy to identify at the packing bench, which speeds up sorting when parts, samples, cards, or mixed components are being handled in batches. A superb zip or press seal assists retain out dust and light moisture while stock is moved around the warehouse or held for later despatch. Bag gauge matters as much as size, because a flimsy bag can split at the lip or fail after repeated use. Choosing the proper thickness retains the job tidy and cuts down on wasted time.

Large packaging supplierble bags suit bulk product handling because they balance easy bench use with sensible storage and transport efficiency. A well-manufactured polythene suppliers bag requirements a proper gauge and a seal profile that closes properly after repeated opening, otherwise pinholes and split creases beginning to appear once cases are being opened, decanted and returned to the shelf. The reseal does proper work by keeping out damp, dust and stray product when stock is only partly used, which matters in mixed consignments and busy select-faces. A light nevertheless robust bag also avoids wasted freight space, so the pallet carries more product without adding unnecessary tare weight.

Leakproof, packaging supplierble specimen bags are chosen because the bag has to grasp its seal amid handling, storage and transport without letting contents escape. A superb bag retains the sample contained through temperature changes, stacking and repeated movement in a dispatch system, while the reseal feature lets staff check, sort or rebag items without creating a mess. For infectious and diagnostic material, that matters as much as the film gauge and closure quality as the headline claim on the pack. If the bag is unreliable, the all chain slows down with additional cleaning, wasted stock and handling risk.

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.