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
Economy mailers work well when the item is flat, light and not easily crushed, because the saving comes from utilising less material rather than from accepting a weak pack. Softer products, paperwork and similar products can be hand-packed fast, which assists retain the packing line moving and avoids clogging the bench with excess board, tape or filler. The grasp is poor pack matching: if the contents are forced in, the mailer can split or the corners can buckle amid handling. A sensible size and gauge gives a tidy dispatch pack without paying for strength that the product does not need.
Buy Online Printed Plastic Courier Bags | Tamper Proof …
Courier bags have to be light and tough at the same time, because all additional gramme affects carriage cost while all weak seam risks damage in transit. A superb bag uses a polythene suppliers blend that can be manufactured in a lower gauge without turning flimsy, so it still resists punctures, scraping and rough bagging on the line. That balance matters in dispatch areas where speed is high and handling is not gentle. When the film grasps its shape properly, pallets load more cleanly, labels stay readable and the pack closes without fighting the material. A bag that performs well in the hand saves trouble later in the chain.
Mail Order Bags – Available Products:
Mail order bags have to be chosen for the all packing journey, not only for the item going inside. A bag may pass a simple weight check and still cause trouble if it snags on packing tables, sticks in drop chutes or splits amid loading. Consistent film gauge matters because thin spots become weak points that only display up below handling, while a tidy seal line can conceal poor melt quality below. Bags that travel smoothly through the line normally retain operatours moving and cut the chance of rework later.
polythene suppliers mailers work well for light, non-fragile products because they remove a lot of the bulk that comes with carton-based packing. That slimmer pack format makes picking, packing and despatch easier, particularly where parcels need to transport fast through sorting equipment and loading cages. The issue is not appearance nevertheless performance: the film requirements the proper gauge and a proper material quality so it can cope with compression, conveyour contact and the rough handling that often happens in transit. If the seal is weak or the film varies also much, splits and returns soon follow. When the building is proper, the pack stays compact and dispatch runs with less drag.
Mailers work optimal when the size matches the item and the journey it requirements to survive. A big coupon code, folded leaflet, or similar printed insert can transport through despatch in a slim mailer without rattling about, which cuts handling damage and retains packs looking tidy on arrival. The proper board or polythene suppliers spec also assists machines dash at a steadier speed, because weak seals or awkward folds slow packing lines down and cause rejects. Good mailer selection is certainly about controlling movement, protecting print, and keeping the consignment presentable from select-face to last drop.
Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £151.99
Mailing bags work optimal when the material is chosen for how it behaves below rough handling, not only for how thick it sees on paper. A superb mailer requirements enough puncture resistance to deal with corners, polythene suppliers and conveyour knocks, nevertheless it also has to stay light enough to retain package weight down and avoid wasted freight. Consistent gauge assists the seal form properly and gives the release strip a cleaner peel, which matters when packing lines are moving fast and stop-beginning errours cause bottlenecks. The opaque film also retains contents concealed and reduces the temptation for additional outer wrapping. A well-manufactured bag so saves time, protects the consignment and retains the dispatch process tidy.
10 JL5 Jiffy Bags Airkraft Bubble Envelopes 10.5" x 14" WHITE
Jiffy bags are often chosen because they keep safe small products without adding much dead weight to a package. The light bubble liner takes the knocks that would otherwise label or crush delicate surfaces, while the paper outer gives enough stiffness to retain the contents handling-friendly on a busy packing line. That mix suits mixed consignments where a plain carton would be wasteful and loose bagging would leave also much chance of scuffing or snagging. The peel-and-seal strip also retains closure quality more consistent than taped packs, so operatours are not wasting time reworking inferior seams. For fast despatch, that balance of protection and speed is hard to beat.
Bubble Mailers Packaging Market - Global Industry Analysis, Size, Share, Growth, Trends and Forecast 2017 - 2025
Bubble mailers are often chosen because they keep safe low-risk items without adding much weight or bulk, which suits despatch teams that need to retain postage and picking costs below control. The bubble layer cushions corners and surfaces better than plain paper mailers, nevertheless it still relies on decent seal quality and the proper outer gauge if handling is rough. If the pack is also thin, the bubbles acquire flattened in transit and the contents can still suffer scuffing or crush labels. A sensible specification balances boardroom expectations, warehouse speed, and the reality of conveyour belts, cages, and mixed-load pallets. That makes the basic mailer a practical selection only when the product and handling route in reality match.
Biodegradable mailers can reduce the waste burden around a shipped garment order, nevertheless the proper earn relies on how they are specified and handled in the packing area. A mailer manufactured for a lighter environmental footprint still has to survive filling, sealing, courier sorting and delivery without splitting or scuffing the contents. If the gauge is also thin or the film quality is poor, the first result is handling damage, not sustainability. A superb packing line checks seal quality, load size and storage conditions so the outer pack does its job properly. That retains returns down and avoids replacing one waste problem with another.
Padded Mailers
Padded mailers suit light, low-risk products because they give a simple layer of protection without adding the bulk of a box. The paper or polythene suppliers outer retains the pack compact for storage and select-face efficiency, while the internal cushioning takes the sting out of light knocks and scuffs amid sorting and transport. They are often chosen for dispatch work where the item requirements a tidy outer pack, fast sealing, and less null occupy than a carton would need. For small parts, documents, or flat items, that can mean cleaner handling and less wasted material. The proper mailer still has to match the product weight and surface stop, though, or handling damage soon shows up.
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.












