Mailing bags
Mailing-Bags.co.uk is a division of Polybags specialised in mailing packaging. Our range includes polythene mailers, courier sacks, postal boxes and padded envelopes. We also offer biodegradable mailorder bags and bio envelopes.
Mailing bags are manufactured having in mind what needs to be posted. Mailers can provide more than just safely transporting packages, from protection of goods with bubble mailers to promoting a company with custom printed polythene mailers.
Here we introduce a few popular choices for mailing bags, all available in different sizes and colours and we hope that you find the right mailer for you needs:
Economy mailers
Perhaps the most popular choice for economy mailers is the clear polythene mailing bags, made from strong polythene ideal for when posting large quantities of leaflets ,magazines, newsletters or any other kind of mailing in which clear packaging may be preferable. Economy mailing bags are very secure as this type of plastic wont tear easily. They may also be ordered with a self-seal strip or, for an even more economic mailing bag, just heat seal. Address labels can be attached or, if you prefer, you could use mailing bags with write on panels for addressing your packaging. If the type of mailing is confidential or if mailing a different type of product in which clear plastic mail bags might not work then we can also provide all the same features of a clear polythene mailer on a opaque mailing bag. We can offer many other options for mailing bags, available in coloured or plain plastic, so we are sure that you will find the right economy mailer for your needs.
Mailorder bags
Mailorder bags are used almost every day by companies to deliver online orders or to send brochures and marketing material. Mailorder bags are ideal for this type of posting as they are strong, tamper proof and water resistant, ensuring whatever is being mailed arrive safely and in the same condition as when it was posted.
Mailing sacks and Security mailers
Also known as courier sacks, mailing sacks are heavy duty postal bags designed to protect and delivery of products anywhere in the world. Mailing sacks are manufactured from strong co-extruded material, usually lined with bubble film or foam, to ensure the mailing bag can withstand transport and handling without damaging its contents. Security mailers are produced as a tamper evident, opaque black mailing sack made from strong and thick polythene to provide strong tear resistance and keeping its contents confidential.
Postal boxes and rigid mailers
Polythene mailers are good for when the material being posted is flexible if, however, you need to post a rigid item or don't want to crease important documents then rigid mailers can offer all a mailing bag can plus it wont bend or crease.
Jiffy bags and bubble mailers
An alternative to the more expensive postal boxes and rigid mailers is the padded envelope, commonly known as a 'Jiffy Style' envelope. Padded envelopes are manufactured with an inner layer of bubble wrap to protect against damage when posting fragile items. such as DVDs and Blue-Rays.
Biodegradable mailing bags
If you worry about the environment and believe polythene film is not the best choice, you will be pleased to know that we can also manufacture environmentally-friendly alternatives to polythene mailers without loosing any of the benefits and features of the plastic mailing bags. Biodegradable mailing bags are produce with a high performance, high clarity recyclable film and they are generally used to post brochures, magazines and catalogues. Bio mailers also offer substantial savings in postage as they are lighter than paper but waterproof and strong. Bags can be supplied as plain bags or with white write on panels and are available in a variety of standard stock sizes. These eco-friendly alternatives are definitely the way to go if you have any environmental concerns about the use of polythene mailers.
Coloured dispatch bags
If clear mailing bags don't match your style requirements or the standard blue mailorder bags wont pronounce the colours of you company then we can also offer a range of brightly coloured dispatch bags. Mailorder bags are available in baby pink, eco green, vibrant purple or the famous, best-seller glossy blue. If none of our standard colours don't go with your style please get us to call you as we can custom manufacture them for you, and if would like an extra personal touch we can also add your company's logo to your dispatch bags.
Custom mailing bags
Custom printed mailing bags could show a company's postal address, for business reply for instance, or have a printed postage impression, good for when you’re sending large quantities of mail. Companies could also have logos and sales messages printed on the mailing bag. Customisation does not only cover colours and printing, it also includes custom 'address viewing windows'.
Standard mailing bags and their properties:
- Clear polythene mailers and Economy mailers:
- Clear plastic front panel, allows for good visibility of contents.
- Expose catalogs and promotional mailing items.
- White plastic backing for labeling and postage.
- Optional pre-printed address window
- Mailing sacks and Security mailers:
- Easy opening perforated tear-strip .
- Lightweight, saves on postage.
- High strength seams allow over-stuffing.
- Ink, stamps and labels adhere easily.
- Water resistant.
- Tamper resistant.
- Tough, tear-proof polythene envelopes.
- Color Polythene Mailers or Opauqe Mail order bags:
- Your product will be opened immediately with these high gloss mailers.
- Attractive waterproof envelopes make mailing and promotions stand out.
- Long-side opening has peel-and-seal strip to make closure easy.
- Bubble mailers and padded envelopes:
- Tear proof and water resistant mailer ideal to protect delicate items.
- Bubble lining cushions and protects the insides.
- Smooth surface perfect for handwriting or labeling.
- Super lightweight mailers. Save on postage to nearly pay for the mailing bag.
What the internet says about mailing bags
Mail Order Bags
Mail order bags have to be light enough to keep safe mailer efficiency, yet tough enough to survive the rough treatment of modern fulfilment lines. A thin bag saves material and improves cube utilisation, nevertheless only if the film grasps its shape through sealing, sorting and stacking without splitting at the corners or giving method along the weld. That is why converters pay close attention to gauge control, melt flow and the method the seal behaves below heat and pressure. If the slip level is gross, bags snag on conveyours or slow down packing, and static can make them awkward to handle. The optimal selection is the one that retains speed, strength and handling damage in balance.
polythene suppliers mailers work well when the product inside does not need a rigid carton or heavy padding, because the format retains packing simple without creating additional waste. A superb mailer is not only a thin bag with a flap; the film requirements the proper gauge, proper polymer quality and a seal that stays closed through sorting belts, cages and rough handling at the package stage. When those details are proper, the pack grasps together below compression and saves dead space in storage and transport. That lighter load also assists retain pallets proper amid fast despatch, so the warehouse acquires a cleaner, quicker packout with less handling failures.
Mailers need to be chosen for what they in reality transport, not only for how tidy they see on a desk. A lightweight paper packet may be fine for documents or flat items, nevertheless a heavier consignment requirements more tear resistance, better seam quality, and enough crush strength to survive sorting belts and multi-drop handling. Shops often lose time when the mailer grade is also weak, because split corners and burst seals lead to repacking, returns, and complaints. A sensible specification matches the product weight, the dispatch route, and the risks of handling damage, which normally saves more work than it adds.
Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £63.90
Grey mailing bags are chosen because they combine light weight with a proper seal for daily dispatch work. A superb bag saves carton space, speeds up packing, and protects products from dirt and wet handling while moving through the mailing chain. The grey outer stop also conceals scuffs and mixed contents better than transparent film, which suits secondary packing where appearance matters less than consistency. Seal quality is the point that determines whether the bag stays intact in transit or pops open on a conveyour or in a sack. A sensible bag spec reduces claims and retains despatch moving without fuss.
Jiffy bags work well when light products need additional cushioning without moving up to a carton. The bubble lining bonded to the kraft paper face gives the bag more body, so small items are less likely to suffer from knocks, scuffing, or abrasion amid sorting and transit. That combination also assists the pack grasp its shape better than plain paper mailers, which matters when consignments are stacked, pushed along conveyours, or handled plenty times before delivery. For dispatch teams, this means a faster pack-and-proceed option with less need for loose null occupy. The result is a simple mailer that offers decent protection where weight and speed both matter.
Large Bubble Mailers
Bubble mailers are a practical selection when small products need protection without moving up to a corrugated box. The bubble lining cushions knocks and scuffs, while the outer poly film retains out moisture and handles the rough treatment that often happens on conveyour belts, in cages, and amid van loading. A big black version also gives a neater appearance and can conceal the contents better than a transparent or pale bag, which assists with sending clothing, accessories, or light hardware. The proper value comes from saving pack time and cutting secondary packaging, provided the seal is robust and the gauge is fit for the product.
Biodegradable mailers make refrigerated medicine dispatch easier to manage when the outer pack has to keep safe the products without creating lasting waste. The proper challenge is that chilled products need a mailer that can cope with condensation, short transit times, and careful stacking in the van or depot, while still fitting a recycling or composting route where the specification enables it. A weak pouch will split or soften at the gross moment, and that puts temperature control and seal integrity at risk. A properly chosen mailer assists retain the cool chain stable and makes the pack easier to handle at the point of delivery.
Padded Mailers Market - Global Industry Analysis and Opportunity Assessment, our telephone
Padded mailers have grown because they solve a simple packing problem: lightweight products need protection without the bulk of a box. In warehousing and despatch, that can mean faster picking, less corrugate used, and lower null occupy, particularly where small parts, cosmetics, books, or accessories transport through high-volume channels. The build matters as much as the format, because the outer paper or film, the bubble layer, and the seal all have to cope with handling, stacking, and transit knocks. If the gauge is also light or the closure unreliable, returns and damage costs rise fast. A well-chosen mailer retains packing lines moving and cuts waste at the same time.
Goldleaf Metallic Envelopes 5×7 Square Flap
Metallic envelopes need careful material selection because the shiny stop can see clever on the shelf nevertheless behave differently on the line and in the mail room. A 57 square flap format gives a tidy presentation for invitations and higher-stop mailings, yet the board or paper base still has to dash cleanly through folding, sealing, and packing equipment. If the coating is also heavy or the surface also slick, seals can be less proper and stacks may slip in transit. Good stock selection retains the appearance sharp without creating handling problems, which saves sorting time and reduces rejected packs.
Coloured mailers have to do much above see tidy on the despatch bench. The colour layer can affect opacity, scuff labels, static attraction and even how well a label stays put, so the specification requirements proper control rather than a casual change of shade. When the polythene suppliers blend is well judged, the film retains its seal line, resists edge splits and still runs cleanly through a busy packing area where parcels are being filled at pace. That steadier performance reduces handling damage, cuts stoppages and assists mixed stock transport through the line without constant rework. A sensible colour selection, matched to the proper gauge and material structure, makes the pack easier to handle and less likely to fail later in the chain.
Get 20% off black secure mailing bags this festive season
If you're looking for mailing bags, there's a fantastic festive offer over at our parent site Polybags.co.uk this Christmas. They are giving 20% off all orders on black secure mail sacks over £75. If you need top content confidentiality in your mailing bags then this is the bag for you.
Just apply voucher XMASMAIL16 and you'll get five strong opaque black mailing sacks for the price of four when you spend over £75. The offer is applied automatically to your basket. Please note there's strictly one voucher per customer and it's a limited time offer, so if you want to make the most of this Christmas bonus, then don't delay.
