Mailing envelopes

Buy mailing envelopes from an extensive range, including high security bags, padded bubble mailers, coloured mailing bags and high impact metallic envelopes.

Polythene mailing envelopes, or mailing bags as they are often known, are a superior alternative to paper envelopes or traditional postal packaging. Lightweight, strong and waterproof, mailing envelopes provide ideal protection for your parcel's contents during transit, protecting them from rain and dirt, as well as the usual bumps and scrapes they undergo on their way through the postal system. Cheaper to post than traditional parcels due to their light weight, mailing bags are also simple to use, fastening with a single self-seal adhesive strip.

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

Things people say about mailing envelopes

Polybags: legal poly envelopes

Clear poly envelopes work optimal when paperwork requirements protection without losing visibility. A transparent polypropylene pocket lets the contents be checked at a glance, which saves time in stores, offices, and dispatch areas where fast identification matters. The hook-and-loop closure gives a more forgiving stop than a simple flap, so sheets can be opened and closed repeatedly without the sort of wear that weakens a sticky seal. The expansion gusset also makes a contrast, because a flat pocket soon struggles once forms, inserts, and attachments beginning to build up. That additional room retains the envelope tidier and reduces corner crumpling, so the pack stays usable for longer.

Wholesale White polythene suppliers Mailing Envelopes and Clear Poly Bubble Mailers

polythene suppliers mailing envelopes work optimal when they are light, tough and predictable on the packing line. That balance beginnings with the film itself: the gauge has to be thin enough to retain consignments compact, nevertheless not so thin that the envelope splits on a conveyour edge or catches when dragged into a cage. Seal quality matters only as much, because a weak seam can open below burst load even if the film sees sound. A well-manufactured envelope also sits neatly around soft products, which assists pallet stability and makes sorting easier at despatch. When the proper film, seal and slip level come together, handling damage drops and the pack transports through the system with less problems.

CheckSimple Personalised 10 Self Seal Standard Mailing Envelopes 500 Envelopes Custom Non Window

Mailing envelopes need to match the job first, not the bargain headline. A normal self-seal format can be fine for daily dispatch, nevertheless the board or paper weight has to stand up to sorting, stacking and a few knocks on the method through the mail. Non-window envelopes also suit jobs where address labels or printed slips are used, because there is no film panel to wrinkle or misalign. If the seal strip is weak, the flap opens in transit and paperwork goes missing, so seal quality matters above a low unit price. A sensible spec normally saves trouble at packing station and front door alike.

Poly Mailers courier

Poly mailers give lightweight products a cheaper, simpler path through the mail when the contents do not need the thicker protection of a padded pack. Compared with a bubble mailer, a plain polythene suppliers mailer saves weight, takes up less space in storage, and is quicker to pack on a busy bench. That can suit clothing, soft products, or other items that are already robust and only need dust and moisture protection. Once the pack is sealed, nevertheless, the cartonless format leaves small room for rough handling, so gauge selection and superb seal quality matter. A flimsy mailer can split at the edges and cause claims later.

Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £63.90

Mailing bags work optimal when the film grade matches the load, because a cost-effective bag that splits in transit costs far above a better one ever will. Grey mail poly bags are often chosen for light garments and soft products because they save space, retain packing simple, and resist scuffing better than plain paper wraps. Seal quality matters only as much as film thickness, since a weak closure can open in a cage, on a van floor, or amid rough handling at sortation. A sensible gauge and a proper adhesive strip normally give the optimal balance between cost and dispatch speed, so less parcels come back damaged or tampered with.

Printed mailing bags need to be judged as a material specification, not only a rely on a shipment note, because once the polymer weight rises, the bag beginnings affecting how the all operation runs. A heavier gauge can transport awkward stock with less risk of splitting, retain its shape better on packing benches and give more confidence where pallet layers are stacked tight. The grasp is that additional film only assists if seal quality, print stickiness and surface treatment are controlled properly, otherwise the bag may see fine at dispatch and fail below compression later. A sound mono-material build normally makes handling and recycling simpler, so the better selection is often the one that balances strength with tidy warehouse movement.

White mailing bags with handles work well for dispatch jobs that need more capacity than a simple document wallet nevertheless less bulk than a box. The 305 x 430mm size suits folded clothing, flat-packed accessories and mixed literature without forcing additional secondary packing, which retains the bench moving and saves space in the van. A decent polythene suppliers grade matters because the bag has to stay stiff enough for easy loading while still resisting scuffs and corner punctures in transit. The handle cut-out also changes how the bag is lifted and sorted, so clean conversion and proper seals are needed to stop weak points forming around the top edge. Used properly, the format gives a tidy, practical pack that handles daily fulfilment without wasting material.

Coloured mailing bags are often chosen for speed, nevertheless the proper value is in how they tidy the dispatch side and keep safe stock amid movement. A robust colour makes mixed consignments easier to sort at select-face level, which assists reduce errours when orders are being packed in a rush. If the film gauge is proper, the bag retains its shape through handling and still gives enough flex for clothing, lightweight soft products, or enclosed items. Poor-quality bags split at the seal or scuff badly in transit, which leads to complaints and repacking. A sensible spec balances appearance, film strength, and handling efficiency, so the bag works as part of the packing system rather than only looking alternative.

Plastic envelopes still have a place in dispatch where light protection and low pack weight matter above rigid presentation. The transport by a leading delivery operation shows how secondary packing often comes down to the balance between damage risk, material use, and handling speed in the fulfilment line. A padded mailer can reduce the need for a box, save space in storage, and transport through sorting systems with less bulk, nevertheless it also has to be specified carefully so the seal grasps and the contents do not rattle around. Used well, this kind of pack can cut transport waste without making returns and complaints worse.

Wholesale Plastic Mailers for Microscope Slides Wholesaler, Personalised Corporate Promotional Gift Suppliers

Plastic mailers need to match the item, the route, and the packing line if damage is to stay low. For small promotional products or fragile inserts like microscope slides, a lightweight mailer can save space and dispatch time, nevertheless the film gauge and seal quality must still stand up to handling in transit and at the sorting middle. Thin material may be fine for low-risk contents, yet it can split at the corners if stitched seams or sharp edges are left unchecked. Good specification work on size, closure, and puncture resistance reduces claims and retains secondary packing tidy. A well-chosen mailer does the job without wasting material or causing avoidable returns.

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

Popular views on mailing envelopes

How Do You Buy The Best Poly Envelopes?

Poly envelopes work optimal when the film gauge, seal quality and opening format suit the job rather than only the label on the pack. A light mailing envelope may be fine for paperwork, nevertheless it will not cope well if the consignment is likely to be handled through several bins, conveyours and van drops. Thicker polythene suppliers gives better puncture resistance, yet it can also add stiffness and make packing slower if the closure is awkward. Good buying decisions beginning with what the envelope must survive in transit, because the cheapest grade often turns out to be the most expensive once damage, rework and wasted dispatch time are counted.

Smooth White Surface polythene suppliers Mailing Envelopes Delivery Shipping Packaging

polythene suppliers mailing envelopes earn their place because the film can be engineered to keep safe products without adding much dead weight. A proper gauge and decent melt flow through conversion assist the envelope seal cleanly, which cuts down on split seams when sacks are pressed and stacked on the despatch floor. The smooth white surface also behaves better in handling: labels sit flat, barcodes scan more reliably, and the pack does not slow the picker because of snagging or loose fibres. That gives a cleaner flow through packing and dispatch, with less damages caused by weak welds or awkward pallet build.

Mailing envelopes manufactured from Tyvek work well for storing lever arch files because the material handles rough treatment that would fast spoil normal paper-based pack. The lightweight sheet resists tearing when files are slid in and out, and the width and depth give enough room for the fat shape of a filled archive file without forcing the corners. That reduces crushed edges, split seams and scuffed labels amid handling and dispatch. A plain white stop also suits office storage where contents need to be kept tidy and easy to identify. For fat paperwork, a tough envelope can prevent damage that would otherwise create sorting headaches later.

Poly Mailers

Poly mailers work optimal when the pack size matches the item and the mailer grade suits the journey. A thin bag may save a small material, nevertheless it can split at the seal, scuff at the corners, or lose shape when stacked with other consignments. A stronger film gives better puncture resistance and retains weight down compared with boxes, which assists on despatch lines where speed matters. The proper earn comes from selecting a gauge that grasps up through sorting, loading, and doorstep handling without wasting plastic needlessly. That balance reduces claims and retains packing work moving at a proper pace.

Corrulope Mailing Bags

Corrugated mailing bags keep safe posted products by utilising the flute in the board as a built-in cushion. The ribbed structure stands the item off from knocks, helping absorb the scrape, crush and edge pressure that can happen in transit. That makes them a practical selection for small products that need more body than a plain paper envelope can offer, nevertheless without moving up to a box. The board grade and flute profile both matter, because a weak board can flatten also easily and leave the contents exposed. A well-chosen bag reduces handling damage and gives a neater arrival through the sortation chain.

How Printed Mailing Bags Benefit Ecommerce Businesses

Printed mailing bags work well when the products are awkward in shape nevertheless not heavy enough to need a carton. By shrinking the pack around garments, soft products or flat components, they cut out the additional null occupy and the repeated search for a box that only half-fits. That speeds up bench work and retains select-face operations tidier because the packer is dealing with one format instead of several. The result is less improvised packing methods and less handling damage caused by corners, gaps or loose contents moving about in transit.

Details about   White Mailing Bags With Handles Choose Size/Qty

Mailing bags with handles need above a simple cut-out, because the handle area changes the method the film carries weight and survives rough treatment. A bag that sees sound on the bench can still split at the aperture if the gauge is also light, the seal layout is weak, or the lift is awkward amid select and pack. The better versions use a controlled polythene suppliers structure that stays light nevertheless still grasps shape, so the bag opens cleanly, carries a small consignment without sagging, and gives a tidier presentation at despatch. That balance matters on a busy packing line, where poor handling fast turns into damage and waste.

Coloured mailing bags are often chosen for above appearance, because the colour can assist sorting, emblem recognition and select-face speed at the packing bench. A bright or distinct bag stands out in a mixed stockroom, which can cut mis-selects and make dispatch work simpler when several pack sizes are held together. The bag itself still requirements the proper film gauge and seal strength, since a tidy colour means small if the contents split open in transit. When a bag is used for lightweight products, the main benefit is fast handling and cleaner presentation, so the optimal selection balances visual identity with secure closure and proper transport performance.

What A Novice Needs To Know About Jam Paper 6 1/4" x 9 1/4" 6pk Plastic Envelopes with Button and String Tie Closure, Open End, Multi-Colored?

Plastic envelopes can be a sensible buy when seasonal buying patterns are understood, because trade prices often transport with stock clearance rather than with the product itself. When demand is quiet around leading holidays, packs may be shifted at a sharply reduced rate to complimentary warehouse space and retain cash moving, which is why timing matters as much as the item counted on the shelf. That assists buyers avoid paying full rate for a simple transport and file solution that has not changed in spec, only in its sales position. A superb purchase is often less about luck and more about watching when distributours need stock out the door.

Plastic mailers suit lightweight products because they are tough enough for postage without adding much dead weight or bulk. A superb self-seal bag retains packing lines moving, since staff can close each item fast without tape or additional fittings, which assists when orders are being prepared in volume. Grey film also gives a tidy, plain stop that conceals the contents better than transparent packaging, useful for clothing, soft products, and other non-fragile products. The main job is simple: keep safe the consignment from scuffing, dirt, and early opening while keeping dispatch efficient. When the gauge and seal quality are proper, the bag saves time and retains handling damage down.

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.