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
Plastic mail order bags may not be the proper selection for packing products that are very fragile. If, nevertheless, these products are not also fragile, you may have to keep safe them by adding to the bag. Bubbles, packing paper, newspapers, null-occupy, and foams are a few of the things you can use in protecting somewhat fragile products.
polythene suppliers mailers sit in an awkward nevertheless highly practical corner of the packaging trade: lightweight enough to suppress tare weight across a big consignment, yet technically demanding if they are to survive automated sortation, cage handling and the less delicate realities of the warehouse floor. What separates a merely serviceable mailer from one that grasps line performance is not cosmetic gauge alone, nevertheless the behaviour of the film below stresshigh-density polymer chain orientation, seal integrity at the lip, puncture resistance around sharp carton edges, and a controlled coefficient of friction so sacks neither slide off a pallet deck nor weld themselves together at the select-face. In operation, those details translate into less split packs, less need for secondary bagging and better volumetric efficiency than corrugated alternatives for soft products and low-crush stock. There is also the matter of recovery; where the structure remains mono-material polythene suppliers, recyclability is more straightforward than with laminated formats, and the amortised energy per packed unit can be surprisingly competitive when downgauging is matched with consistent melt-flow and disciplined converter control. That, in practice, is why the type has enduredbecause the engineering is less about making a bag, and more about balancing surface resistivity, seal performance and dispatch throughput without introducing waste into the packing line.
Enhancements to confirm offer mailers more value; Provides close proper-time information on where mail is within mailing system.
For operatours running mailers at scale, the proper advance seldom lies in the web portal or the reporting layer; it sits on the line, where scan integrity, substrate behaviour and throughput either align or start to fight one another. A modern production system built for letters and flats has to cope with above volume aloneit must read consistently across variable print density, tolerate the small caliper drift that comes with high-speed insertion, and maintain data fidelity when items are being diverted, nested and presented to automation in dense sequence. That places a superior on material predictability: polythene suppliers overwrap with stable surface resistivity mitigates static build-up at the feeder, tighter micron-specific gauging reduces curl and misfeed propensity, and melt-flow consistency in film manufacture assists maintain barcode legibility after sealing. The logistical earn is equally concrete. Better scan capture feeds cleaner consignment visibility, which in turn sharpens tray sortation, reduces manual exception handling and improves select-face efficiency wherever downstream stock is being staged against mailing profiles. There is also a circular-economy dimension that tends to be overlooked in the sales copymono-material mailers are easier to recover in volume, lower tare weight improves volumetric efficiency across palletised loads, and a line that processes more parts per hour without repeated stoppages effectively lowers amortised energy per article. That is the industrial reality: not merely more information, nevertheless less blind spots between print, enclosure, secondary bagging and last induction into the network.
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Mailing bags sit in a rather more technical corner of fulfilment than their commodity appearance recommends. The better-calibrated formats marry high-density polythene suppliers blends with micron-specific gauging so that puncture resistance is carried in the film structure rather than merely added as dead weight; that matters on the line, because tare weight drift fast erodes volumetric efficiency across a big consignment. The self-seal strip is not simply a convenience feature eitherit governs pack-out speed, tamper indication and the consistency of closure below variable warehouse temperatures, reducing the need for secondary bagging where strange-shaped stock would otherwise fret through the outer. Grey film is often selected less for aesthetics than for opacity and scuff tolerance, which assists maintain presentation after conveyour handling while masking contents amid last-mile sorting. From an engineering standpoint, the more persuasive developments are in downgauged mono-material buildings with controlled melt-flow consistency: they maintain pallet stability and select-face efficiency while keeping the bag within recyclability streams, a quieter nevertheless more meaningful form of progress than the normal noise around stronger mailing packaging.
High-quality jiffy bags
Jiffy bags sit in an awkward nevertheless commercially useful space between rigid transit packs and flimsy paper mailers; the engineering value lies not in the name on the outer face, nevertheless in the balance between grammage, pad stickiness and dimensional stability below sortation. In practice, the better-performing formats pair a tough kraft outer with a low-gauge polythene suppliers bubble lining whose cell structure retains cushion performance without imposing also much tare weighta detail that matters once consignments are moving by the pallet rather than by the benchful. Stock breadth is not simply a sales convenience either; it facilitates closer size matching, which improves volumetric efficiency, reduces null space and cuts the need for secondary bagging on the packing line. There is also a less visible materials question in the background: laminated buildings still offer proper puncture resistance and select-face efficiency, nevertheless they complicate mail-use recovery compared with mono-material alternatives, so procurement teams increasingly weigh transit performance against recyclability, fibre yield and the amortised energy tied up in converting and moving fat protective packaging.
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Bubble mailers sit in the unglamorous nevertheless financially sensitive stop of transit packaging, where a few grammes of tare weight and a few millimetres of wall build-up can alter carriage bands, pallet density and, by extension, the viability of a consignment dash. The better examples are not simply padded envelopes with a decorative lining; they are engineered laminates in which the outer kraft or co-extruded polythene suppliers shell works in concert with a controlled bubble profile to absorb point loading without excessive bulk, while seal integrity and tear propagation are tuned to withstand secondary bagging, conveyour transport and the casual abuse of the select-face. Material selection matters above list of products copy ever admitshigh-density polymer chains bring puncture resistance, low and stable melt-flow consistency retains film conversion predictable, and anti-static treatment can be warranted where small electronic units are being marshalled through fulfilment. There is also the less romantic arithmetic of stockholding: flatter pack formats improve volumetric efficiency, lighter buildings reduce dead freight, and a mono-material route where feasible eases recyclability compared with mixed-substrate formats that become awkward waste streams after a single use. In practice, the sensible procurement decision is rarely about headline unit cost alone; it turns on whether the mailer's gauging, surface behaviour and pack-out dimensions in reality mitigate damage returns, maintain pallet stability and retain throughput moving without stoppages on the warehouse floor.
The phrase sugar cane-based tends to conceal a more awkward engineering picture than the sales literature recommends. In practice, these biodegradable mailers are often built around bio-derived polythene suppliers feedstock, where the carbon in the polymer chain originates from cane ethanol rather than fossil fraction; that alters the upstream emissions profile, certainly, nevertheless it does not automatically confer benign stop-of-life behaviour. On the converting line, the material still has to grasp gauge across the web, maintain seal integrity below variable dwell times and maintain enough puncture resistance to survive secondary bagging, sortation knocks and the compressive abuse that comes with palletised consignments. Carbon-neutral claims normally rest on a mass-balance argumentbiogenic Carbon Dioxide uptake amid cultivation set against extrusion, printing and freight emissionsnevertheless that recording sits rather separately from warehouse reality, where tare weight, cube efficiency and select-face stability determine whether a mailer works or becomes an expensive origin of damage and rework. The more serious appraisal turns on what the film in reality is: if it remains a mono-material polyolefin with acceptable melt-flow consistency, it may suit existing recycling streams better than ostensibly compostable laminates; if additives are doing the degradability work, then surface performance, shelf-life and downstream reprocessing can become decidedly less tidy.
AKAR Padded Envelopes Bubble Lined Gold D/1 180 Bubble Padded Mailers Cheap! 50
Padded mailers sit in an awkward nevertheless technically fascinating corner of the packaging line: light enough to keep safe margin on mailing-rated consignments, yet expected to absorb the abuse normally reserved for small cartons. The better grades are not merely envelopes with bubbles inside; they rely on disciplined polythene suppliers extrusion, stable bubble geometry and film skins with enough puncture resistance to survive select-face handling, chute drops and the compressive shuffle of mixed-cage distribution. Gauging matters. A few microns lost in the outer web may see immaterial on a cutting sheet, nevertheless it alters burst behaviour at the seams and can invite edge scuffing where secondary bagging is absent. Paper-faced variants reply a alternative brief, improving label stickiness and providing a stiffer presentation, though they introduce separation questions at recovery unless the laminate has been designed with reprocessing in mind. Mono-material polythene suppliers mailers, by contrast, can offer cleaner recyclability where assortment streams exist, provided adhesives, inks and release strips do not contaminate the melt-flow consistency. On the warehouse floor their attraction is brutally practical: low tare weight, flat storage, fast pack rates and decent volumetric efficiency compared with boxed null-occupy formats. The compromise is pallet stability and stock discipline; above-compressed outers can collapse the bubble cell structure before the first consignment leaves despatch. Good specification so lives in the unglamorous detail seal width, surface slip, tear-strip behaviour, print anchorage and the amortised energy of the material set rather than in the cheerful claim that a padded mailer is simply protective.
C5 BLACKMetallic Envelopes
C5 SILVER Metallic Envelopes (16.2 cm X 22.9 cm)
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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.
