Sealing & resealing bags

Buy from an extensive range of sealable and resealable bags, including grip seal bags, zip seal bags and self-seal bags.

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…

What some people say about mailing bags

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This letter is absolutely disorganised because I’m still in a daze. You should have seen our living room yesterday. There were about 50 people in it waiting for mail very quiet though – & more & more blue mail bags kept coming in as ski-doos & dog teams arrived back from the landing lake.

Padded Envelopes - £154.99. Padded Envelopes - Gold And White Mail Bags Cd Dvd A3 A4 Etc

Plain Courier Mail Bags - 15 - 50 Pieces

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Earlier, before I left the consulate normal, I was close the front door, when the CIA chief came down the front stairs from his offices. He was pulling two big mail bags behind him. They were apparantly very heavy as they clunk, clunk, clunked down the steps. I imagined them to be full of gold bars. They seemed heavy enough and were emitting metallic sounds as they thudded in his wake. When he reached his car parked in front of the CG, he threw the bags into the back seat, pulled his poor, bewildered British driver out of the driver's seat, jumped in, and sped off with tires squealing. The poor man looked frightened as hell. I am still puzzled as to what he was going to do with his heavily ladened mail bags. Perhaps he still has them.

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200 x LITE PADDED ENVELOPES BUBBLE MAIL BAGS 120x215 mm AR2 B/00 GOLD COLOUR

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Types, colours, sizes, all can be taken care of if you are ordering bag manufacturers from us. For more details, call our telephone

I send a pillows and a toys in the polyethylene bags. Very small toys - in carton bags or polybags of seasonal colours. And all things I pack in plastic mail bags of British Post. See the photo in the "About the store". Square pillows 12 inches can be packing only in clean white bags. Round smiley pillows can be sent in a holiday polybags.

Large mail bags

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

Top ten common things said about mailing bags

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Postal Service investigatours discovered the missing missives when they got information on a Pathfinder containing multiple blue mail bags that were stuffed to the brim. In past situations, the Postal Service has reported regained bundles and letters at superb state must be shipped.

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''Then there's the big day when the developer goes to the Polybags,'' Ms. Lamberg said. The lottery consists of randomly hand-picking, date-stamping and numbering all the applications received by the deadline. The applications are examined in the order in which they were picked, to make sure they meet income requirements. To be eligible, a family may earn no above 50 percent of the metropolitan area's median income, adjusted for family size.

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bag manufacturers

Become a member Sign in Get started Your Packaging Experts In London..! bag manufacturers Oct 27, 2016 3 min read mailing Packaging At a few point in life, we all proceed through the painful process of packing a gift box or an all wardrobe for shifting purpose. In both the scenarios, we have to deal with wrapping paper, glue stick, scissours, tapes, packing boxes, markers, labels and lot other. And most of the times, we are short of one item or two. This makes a simple packing task a lot hard for us. People tend to avoid packing when they are shifting places or moving abroad, nevertheless you cannot trust strangers to pack your fragile stuff and necessary documents as that could drop into the gross hands.

I am a big fan of brown paper and string with luggage tags – sound big! I have a big stock of nice brown carton postage boxes (and apple green tissue), and then wrap these in brown paper for posting nevertheless my hubby pointed out how much wet mail we acquire and I got worried (I have a nice return address label in green ink for the back!) so I stop up putting the big boxes/expensive items in plastic mail bags as well, which pushes up the price. Also, I sell a lot of single lavender bags so I now only put these into a small jiffy to retain postage costs down. (They proceed in an apple green kraft paper bag sealed with a MOO card with ribbon and green circle sticker – works quite well. I think you can buy waterproofed brown paper nevertheless it’s quite expensive).

May transport from one area to another (in the administrative office or building) or be required to lift and/or transport up to 40 pounds with proper training, or precautions/lifting aides (example: paper supply boxes, document files, big mail bags/boxes for select up or receipt). In a few areas work space is confined.

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.