Mail bags

Buy now from a huge range of best value mail bags - the tough, light, waterproof polythene solution to all your mailing needs.

Mail bags are polythene envelopes used as an alternative to regular paper envelopes to send items in the post or by courier mail. Polythene mail bags, also known as mailing bags, plastic mailers or poly mail envelopes are an improvement on regular envelopes as they are strong, lightweight and waterproof, meaning greater protection for the contents they carry. Available in a range of colours, and with bubble-lined, heavy duty and security options, there is a mail bag out there for every mailing need.

Mailing bags are…

• Convenient for sending items in the post that require additional protection or are needed to carry a brand.
• Great at keeping package contents safe and dry during traditional mail or courier post.
• Also known as mailers, poly-mailers, plastic envelopes or mailorder bags
• Made from polythene to provide a perfect waterproof coating for your mail - much better than soggy envelopes!
• Very light which means that postage costs stay low
• Strong which means your envelope won’t tear or rip before it reaches its destination
• Similar in appearance to a regular envelope - rectangular and flat - and open in the same way, at one end to allow you to place your package contents inside
• Simple to use, with an adhesive strip running alongside the opening of the bag. Just fill the bag with your postage contents, rip off the covering tape, fold down the flap and your mailing bag is ready to post. Easy peasy!
• A great way to advertise your business. Get your company logo, design or slogan printed on the outside of the mailing bag and impress your customers as their mail lands on their doormat

What do the general public say about mail bags?

Plastic mail bags handle rough export journeys better than a paper mail box because they resist damp, scuffing and repeated contact in the chain of transport. A recycled polythene suppliers bag can be chosen in a gauge that matches the load, then folded snugly around the contents so there is less empty space and less chance of movement inside the outer pack. That tighter pack assists pallet stability as well, since a low-profile bundle is less likely to bulge, snag or distort below stacked freight. The saving comes from better containment, not only cheaper material, and that only works when the film has enough strength for the route.

Large mail bags should be judged by how neatly they fit into the handling system, not only by what each unit costs. A sack that arrives fat, stiff or inconsistently folded can waste pallet space before a single item is loaded, and that wasted cube quickly turns into additional warehouse movements and awkward load planning. If the bag retains its shape in storage and amid picking, stacking becomes faster and less clumsy, with less chance of scuffing, split seams or other handling damage. The proper spec makes the sack behave like a tidy part of the consignment instead of dead weight.

White mail bags need a film grade that balances appearance with proper warehouse abuse. The clean white stop assists mixed consignments see tidier on the floor and conceals the grey labels that display up after repeated sorting and stacking, nevertheless that means small if the film is also thin or the seams are weak. Mail sacks are thrown onto conveyours, slid into cages and squeezed around strange package shapes, so puncture resistance and seal quality matter as much as colour. Saving a small resin by dropping the gauge can soon lead to split bags and additional repacking. A sound specification retains handling losses down and makes dispatch more proper.

Bubble lined mailing bags are a sensible selection for light dispatch products that still need proper protection through the mail. The outer film has to grasp together at the seal and base, because weak material soon splits when a package is squeezed into cages, chutes or van loads. Inside, the bubble layer assists absorb knocks and reduces scuffing on printed, painted or glossy surfaces. A white outer stop also gives a tidier see when mail order parcels are opened, which matters when the products are meant to arrive looking cared for. That mix of strength and presentation makes them a better fit than a plain mailing sack for plenty compact items.

A mailing bag requirements to do above simply grasp a package together. For mail order and despatch work, the bag has to suit the size of the item, the weight of the contents, and the amount of rough handling that happens between packing and delivery. Thin film can split on sharp edges, while an oversised bag leaves also much movement inside and raises the risk of scuffing or bursting at the seams. Seal quality matters as much as gauge, because a weak closure can open in transit even when the material itself is sound. A well-chosen bag retains packing tidy and reduces claims from damaged products.

Welcome to the Printed Mailing Bags business to business directory. Here you will come by manufacturers, suppliers and distributours of Printed Mailing Bags, Bespoke bags, Bespoke polythene suppliers bags and Cardboard packaging around the UK.

Printed mailing bags need the proper film grade to match the pace of the packing line, not only the weight of the product going inside. A gauge that is also light can fail at the seal when bags are dropped into sacks, stacked on pallets, or squeezed amid transport, which soon turns into split consignments and complaints. A film that is also stiff causes a alternative problem, because it resists opening and slows the crew at the bench. The optimal spec is the one that gives proper strength without making the bag awkward to handle, and that normally means less stoppages and less damage.

Jiffy bags work well when small, light items need protection without adding much bulk to the pack. The padded lining takes the sting out of knocks in transit, so corners, seals and polished surfaces survive better through picking, bagging and sorting. Their slim shape also assists on a busy packing bench, where space is often tight and secondary packing has to stay simple. They are fast to handle, stack neatly in the dispatch area and retain the outward pack tidy enough for mixed consignments. That makes them a sensible selection for routine despatch work where speed matters as much as protection.

Biodegradable mailing bags can make sense for second-hand clothing because they reduce the burden of sending out lightweight parcels in plain polythene suppliers. For vintage garments, the bag requirements to survive folding, taping and a fair bit of sorting before it reaches the mail room, so tear resistance and seal quality matter as much as the green claim on the label. A bag that beginnings breaking down also quickly in storage would be a nuisance, while one that protects the item through dispatch still does the job. The practical win is simple: less plastic waste without risking damaged stock or avoidable returns.

6.5″ x 9″ Blue Mailing Bags – 165 x 230 mm

Blue mailing bags suit light, compact products because they give straightforward protection without adding much bulk to the package. The polyethylene film retains out rain, dust and handling grime, while the low gauge assists retain postage down and makes the bag easier to fold, stack and feed at a packing bench. An adhesive seal speeds up dispatch, particularly where secondary packing has to transport quickly and neatly. When the contents are clothing, books or other slim items, the bag trims wasted space and retains the package shape tidy, which reduces snagging and rough handling on the method through the system.

Lovely pink mailing bags- bolsas de mensajera con adhesivo fuerte para cosmticos

Pink mailing bags need a sensible balance of board-like stiffness in the film, a proper gauge and a flap that sticks properly, because a cosmetic order has to see tidy as well as survive the journey. If the material is also soft, the bag can crease badly around the corners, split at the seal line or beginning to peel open after a few knocks on the mail sort. That is the sort of failure that damages the client's first impression before the package is even opened. A well-chosen pink mailer protects the contents, grasps its shape on the bench and leaves dispatch with a tidy stop.

Mailing bag types

A mailing bag is a polythene envelope used to send contents in the post, but the name covers a whole range of different products. Here are just a few of them:

Lightweight economy mailers - the original and (according to many) best mailing bag. A traditional polythene mailer with no bells or whistles - just a strong, waterproof and lightweight envelope that is very reasonably priced and perfect for you to send items to your clients or customers without breaking the bank.

Glossy blue mail order bags - the mailing bag that speaks business, these metallic blue mailers are guaranteed to give your company the edge and impress your customers. Popular with online traders and mail order companies alike, these mailers are strong and professional in appearance without costing the earth.

Extra tough mailing bags - for those occasions where you want a little bit of extra protection to the contents of your post, these heavy duty mailing bags are perfect for withstanding bumps, scrapes and bangs in transit. Don’t mess with the heavy mob - these mailers are strong, tough and ready to rumble!

Vibrant colourful mailing bags - when you want your mail to stand out from the crowd, what do you do? You send it in a radiant, eye-catching coloured mailer! Guaranteed to bring any package to life, these polythene mailers come in a range of vivid colours - including baby pink, eco green and vibrant purple - to brighten up your customers’ day!

High security mailing bags - if your mail requires an extra level of security then a range of high security mailers are available to give you added peace of mind. Extra thick opaque mailers - available in black or white - provide top secret content confidentiality, while tamper-evident mailers that show if someone has been interfering with your delivery.

Print your very own personalised mailing bags

Take your business to the next level with printed mailing bags personalised with your company logo or design.

This is an ideal way to promote your business as your mail is guaranteed to stand out from the crowd and you are reaching the consumer directly in their own home or office.

There are many ways that you can personalise your mailers - a simple logo, distinctive colour scheme or typeface, company catchphrase or advertising slogan, to name but a few - and ensure that your delivery doesn’t get lost in a pile of post, but really stands out from the crowd!

A firm favourite with retailers in the UK and all over the world, printed mailers have proved to strengthen brand identity and increase customer awareness, so make sure you take advantage of a simple way to give your business a boost.

Where to buy mailing bags

Mailing bag manufacturers and suppliers include:

Polythene Mailers
Polythene Mailers are specialists in polythene mailing bags, stocking a huge collection of waterproof mailers in a variety of styles, shapes and sizes and plain or printed with your own design. With free delivery to any UK address, this is the place to go for polythene mailers!
www.polythenemailers.co.uk

Mailing Bags
The UK's online home of mailing bags caters for all of your mailer needs. Check out their huge catalogue of mailing bags in every style from economy mailers to glossy blue mailorder bags. Also features a fantastic size guide so you know exactly what size mailing bag to buy.
www.mailingbags.co.uk

Mail Order Bags
The home of mail order bags - the lightweight, waterproof and tough plastic envelopes that provide the perfect way to send your mail. Select from a huge range from heavy duty postal bags to light jiffy bags.
www.mailorderbags.co.uk

Plastic Mailing Bags
Mailing Bags is a fantastic website selling a huge range of polythene mailers at very competitive prices. Order online from a range of clear and coloured mailers, with free delivery to any UK address.
www.mailingbags.co

Mailing Bag
Another great mailing bag website, which sells a huge range of bags and provides a comprehensive rundown of why mailing bags are the postal bag of choice for online retailers.
www.mailing-bags.co.uk

Buy Mailing Bags
Packed full of information on mailing bags - including a detailed description of each mailing bag type - along with a comprehensive list of where you can buy them, this is a serious mailing bag website.
www.buy-mailing-bags.co.uk

Plastic Envelopes
Discount Plastic Envelopes is a great source of information on mailing bags and plastic envelopes. Whatever type of mailing bag you need you can find out about it here, along with information on ISO envelope standards.
www.discountplasticenvelopes.com

Polythene Mailing Bags
Find out all about polythene mailing bags at this fantastic website, which tells you all about mailers and why you should use them. Also features a section on eco-friendly mailing bags for those people who want to keep an eye on the environment.
www.polythenemailersdirect.co.uk

Courier Bags
This website is the place to go to find out all about postal sacks, courier bags and polythene mailers. Featuring a great in-depth list of each type of polythene mailer to help you choose the right courier sack for you.
www.couriersacks.com

Bubble Mailers
Bubble mailers is home of bubble mailing bags. Featuring all you need to know on the lightweight, bubble-lined mailers used to protect delicate items, along with eco-friendly alternatives. Check it out today.
www.bubblemailers.org.uk

Mailing Envelopes
If you're trying to decide what sort of mailing envelope you need to meet your mailing needs, then Mailing Envelopes is the website for you. A great place to find out the right size of bag along with details on a range of mailing bags.
www.discountmailingenvelopes.com

Poly Mailers
A great website to buy and find out more about polythene mailing bags. Listing details of a range of poly mailers available, helping you choose the perfect bag for you before you buy.
www.polythene-mailers.co.uk

Cheap Mailing Bags
A treasure-trove of information for anyone looking to buy mailing bags. Containing all the information you need to know on any type of mailing bag and how to get the best discount prices, you need go no further than Discount Mailing Bags.
www.discountmailingbags.co.uk

Plastic Mailing Envelopes
Visit this website to find out more about mailing bags and where to buy them. Featuring loads of information on polythene and eco-friendly mailing bags and a range of other polythene packaging.
www.discountmailingenvelopes.co.uk

Plastic Mailing Bag
A great website for any organisation who posts out a range of stock and wants to do so in a professional manner. Mailing Bags Direct lists common applications for mailing bags, so that you pick the right bag for your company.
www.mailingbagsdirect.co.uk

Mail Order Bag
A great website if you're looking to buy, or simply find out more information about, mail order bags. With details of a range of mailers, from blue opaque mail order bags to high impact silver mailers, this site is mailorder bag heaven!
www.mailorder-bags.co.uk

What the internet says about mail bags

Plastic mailing bags can suit despatch where the products are light, flexible and not easily crushed, nevertheless they need to match the handling route as well as the product itself. A soft bag may save volume around material rolls or similar items, yet it gives less defence against scuffing, seam splits and grime from warehouse floors than a formed box or a tighter wrap. Once a package passes through picking, sorting and courier movement, weak film edges and poor seals become the points that fail first. The optimal selection is the one that retains the contents clean, intact and prepared for the next stage without creating avoidable damage.

Padded mail bags suit small products that need a bit of cushioning without being pushed into a full carton. The padded layer takes the edge off knocks, scuffs and corner damage, which matters when the contents are light, thin or prone to marking in transit. A white outer film also assists the packing line because labels display up clearly and the finished package sees tidy at dispatch. The proper benefit is speed: packs can be closed quickly, the load stays compact, and less layers of secondary packing mean less waste and easier handling through the warehouse.

Plastic Mail Bags Strong Grey Postage Poly Postal Small Medium Size Mailing UK

Plastic mail bags work optimal when the film grade and gauge suit the contents rather than the postage cost alone. A light consignment may travel well in a thin mailer, nevertheless a sharp edge, poor seal or slack film tension can turn a tidy pack into a split package before it reaches dispatch. Grey mailers are often preferred because they conceal the contents and take handling better, particularly when stock passes through several touches in the warehouse and transport chain. The proper test is whether the bag retains its shape and protects the item until delivery without slowing packers down.

Large mail bags have to cope with awkward mixed contents, so the proper job is not merely holding volume nevertheless controlling the load shape. Folded papers, small parcels and fat envelopes all shift as the sack is lifted and stacked, and that movement puts strain on seams and weak spots. Woven polythene suppliers often suits this use because it stays light while resisting burst failure better than a flimsy sack, which reduces split bags and the messy stop-beginning work that follows. Gauge, panel size and draw-tape strength need to match the method the contents in reality sit. That retains handling cleaner and the bag stable from sorting bench to vehicle.

White mail bags work well when the job is to transport light, non-fragile products in the smallest practical space. Co-extruded polythene suppliers gives enough strength without loading the consignment with unnecessary tare, so more packs can be stacked on a pallet and loaded into a vehicle without wasting cube. The proper trick is getting the gauge proper. Too light and the film is easy to puncture amid picking, sorting, or transit; also heavy and the bag brings additional material cost, bulk, and storage strain for no proper earn. A sensible spec retains the load efficient and the handling straightforward.

Clear Postal Bags

Postal bags work optimal when they make the contents easy to identify without sacrificing protection. Clear polythene suppliers lets picking staff and checkers see what is inside at a glance, which speeds up sortation and cuts out the wasteful habit of opening packs only to confirm the contents. That matters in busy despatch areas where all additional handling step adds time and raises the chance of scuffs, pollution, or a damaged seal. Film gauge has to suit the item and the route it will travel, because a bag that feels tidy on the packing bench can still split or craze in transit. The proper bag retains the product visible and the operation moving.

Part messenger, part tote, the Postal Bag is the quintessential carryall for gadgets galore.

A mailing bag works optimal when it is treated as a practical pack format rather than a simple mailing envelope. The material requirements enough strength to survive sorting belts, repeated handling, and the rough edges of mixed consignments without splitting at the seams. A well-manufactured bag also has to retain its shape amid filling, because poor film control or weak gauges can leave gussets leaning above and make packing slow. For dispatch teams, that means less reworks, less tape rescue, and better protection for products that are awkward, soft, or strange. If the bag is specified properly, it cuts handling damage and retains the package moving through the system.

Printed mailing bags have to balance emblem presentation with the hard realities of packing, sorting and transport. If the film gauge is also light, sharp corners, folded inserts and rushed bench handling can all cause splits before the consignment even leaves dispatch. Too heavy, and the bag becomes awkward to close, wastes material and can feel clumsy in production. The better selection is a film grade that grasps its shape, takes a clean seal and still runs smoothly on the packing line. That retains the pack tidy, speeds up fulfilment and cuts the risk of damage later.

Jiffy bags are often used for items that seem simple, nevertheless the proper test comes when they enter the mailing stream and are handled by machines, cages, and delivery rounds. A lightweight mailer still requirements a sound seal, decent puncture resistance, and edges that will not burst when pressed against other parcels. If the contents are documents, board-backed inserts or small retail parts, the bag has to keep safe against scuffing as well as impact. Mixed postmarks or relabelled packets can point to consolidation and onward dispatch, which means the mailer has already done more work than its size recommends. A superb bag survives that additional handling without opening up or losing the package inside.

Biodegradable mailing bags can reduce waste at the point where despatch meets disposal, nevertheless the proper value relies on how they are specified and handled. A bag that smashs down in the gross conditions, tears also easily, or loses strength in the store room soon creates more problems than it solves. Good mail pack selection still has to keep safe the garment, cope with picking and packing, and survive sorting through the carrier network without split seams or punctures. The practical test is simple: the pack must do its job in transit and still offer an easier route into recycling or biodegradation when it has finished its dash. That balance is what turns a green claim into a usable packing format.

Research & Resources

For more information on mailing bags and the different types available, plus details of how poly mailers are manufactured, please visit:

Goldstork: A free directory listing the best of the web, featuring carefully selected information on and websites specialising in mailing bags.

PlasticBags.uk.com: Free online directory specialising in polythene packaging. Contains useful articles and other resources, including a list of top mailing bags websites.

PackagingKnowledge: Read detailed information about mailing bags on this in-depth website dedicated to polythene packaging.