Mailing bags

Buy best value mailing bags now for a professional postage solution and strong, lightweight, waterproof protection.

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

Why people are talking about biodegradable

30 Creative & Environmentally Friendly Logos

In packaging and fulfilment, the environmentally friendly claim is no longer carried by a wash of green inks or a leafy device on the outer wrap; it is scrutinised in the less glamorous arithmetic of gauge control, cube utilisation and stop-of-life recovery. A polythene suppliers film with disciplined micron-specific gauging and stable melt-flow consistency can reduce resin draw without compromising puncture resistance, which matters when pallet stability is being tested by mixed-SKU consignments and the jolting realities of secondary distribution. That technical restraint has a direct environmental effect: lower tare weight improves volumetric efficiency across the trailer, while mono-material building simplifies recyclability once secondary bagging and transit protection enter the waste stream. The friction, in practice, lies in balancing shelf presentation with surface resistivity, seal integrity and select-face efficiencyparticularly where high-speed packing lines generate static, dust attraction and misfeeds. Better engineering addresses that through polymer selection and converting discipline rather than decorative signalling; the result is a pack format that amortises its embodied energy above proper handling, cleaner recovery and less damaged units written off as stock loss.

Biodegradable Disposables

For small bamboo gun-shaped skewers provided in bags of 100, the industrial interest lies not in the novelty of the profile nevertheless in the method a biodegradable article behaves across packing, storage and stop-of-life handling. Bamboo's dense, longitudinal fibre structure gives a useful stiffness-to-weight ratio, so the skewer will tolerate secondary bagging and routine select-face abrasion without the splintering often seen in lower-grade wooden stock; that in turn assists cleaner presentation and steadier unit counts through fulfilment. Where the pack format is built around a simple mono-material polythene suppliers overbag, volumetric efficiency remains respectable and pallet stability is easier to maintain because tare weight stays low, yet the underlying product still sits within a renewably sourced feedstock stream rather than a fossil-derived one. The practical caveat, well understood on the warehouse floor, is moisture control: cellulosic products will transport with ambient humidity, so bag seal integrity and sensible stock rotation matter if dimensional consistency is to be preserved. Even so, from a circular-economy standpoint the proposition is straightforward enoughwell-managed forestry inputs, low mass per consignment, and a product substrate that is biodegradable below uniform conditions, with none of the melt-flow inconsistency or mixed-resin pollution that complicates recovery routes for more normal disposable serviceware.

The provision of green biodegradable bags at a controlled-access dog exercise site sounds innocuous enough, yet it reflects a fairly deliberate bit of waste-handling engineering. In practice, these bags have to strike an awkward balance: thin enough to retain tare weight and replenishment frequency sensible, nevertheless with sufficient puncture resistance and melt-flow consistency to survive secondary bagging pressures, damp biological load and the rough treatment that comes with outdoor dispensers. Where the specification is handled properly, the film gauge and polymer blend are tuned to maintain select-face efficiency at the point of use while avoiding the stiff, noisy hand that often plagues heavily filled compounds. The more credible formats also lean towards mono-material building; that simplifies stop-of-life handling even where true biodegradation remains conditional on the disposal stream rather than a magical property of the bag itself. Paired with underground disposal tanks, the arrangement mitigates odour, wind-blown litter and vermin ingress, while the contained waste stream maintains surface cleanliness across fenced zones and water-neighboring areas. That, above any lofty environmental claim, is the proper industrial logic: a consumable with acceptable shelf stability, manageable volumetric efficiency in bulk stock, and a disposal architecture that retains the site serviceable below repeated public use.

Paying a modest superior for biodegradable bags is rarely about sentiment alone; on the warehouse floor it is normally a calculation around handling performance, waste segregation and how the film behaves once it leaves the select-face. Much relies on the polymer architecture: a bag may present as biodegradable, yet the operative distinction lies in whether the substrate retains sufficient puncture resistance and melt-flow consistency for converting, sealing and secondary bagging without introducing splits, static cling or erratic gauge tolerance. Colour, also, is not merely cosmetic. Strong pigmentation can materially alter sortation visibility, stock identification and even pollution risk within recycling or organics streams, particularly where tinted film obscures residue and complicates optical recognition. The more credible formats tend to balance low tare weight with acceptable pallet stability and volumetric efficiency, while avoiding unnecessary laminations so that stop-of-life routes remain clearer. In practice, the worthwhile earn is not the badge on the roll, nevertheless a bag specification that mitigates handling losses, assists cleaner waste capture and does so without compromising line speed or the broader arithmetic of feedstock sustainability.

Clear Bags

Clear Bags 6 7/16 x 6 1/4 Flap Seal Close Pack of 100 B6X6

Morrisons becomes first supermarket to remove ALL plastic carrier bags

Morrisons has pledged to remove all plastic carrier bags from its stores, meaning the bags for life will be switched to paper alternatives

Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £151.99

Mailing bags occupy an unglamorous nevertheless technically demanding corner of distribution engineering, where a few microns of polythene suppliers can alter both postage classification and failure rate at the sortation chute. The better grey self-seal formats are not merely robust by virtue of thickness; performance comes from controlled film extrusion, melt-flow consistency and polymer orientation that gives the bag puncture resistance without loading unnecessary tare weight into all consignment. Post sizes matter because volumetric efficiency now shapes warehouse behaviour as much as carrier compliance: a bag cut also generously collapses badly in cages, traps air at the seal line and compromises pallet stability, while an above-tight mailing bag risks seam creep around boxed or strange stock. Surface slip, opacity and seal-tack all have consequences on the floor, particularly where select-face efficiency relies on fast secondary bagging and legible labelling rather than fiddly closure. The circular economy argument is also becoming less theoretical; mono-material polythene suppliers mailers with consistent gauging are easier to recover than laminated alternatives, and where recycled content is introduced, feedstock quality has to be balanced against tear propagation, weld integrity and the rather unforgiving mechanics of mailing handling.

Front End Lift Bin Liners

Front-stop lift bin liners sit at a rather unforgiving intersection of waste handling, materials engineering and transport economics: the film has to resist puncture from mixed commercial waste, grasp its seam integrity below hoist-induced shock loading, and still draw cleanly above the rim without excessive slack that compromises select-face efficiency or creates snag points amid assortment. Recycled polythene suppliers can perform well in this role, provided the extrusion is controlled for melt-flow consistency and micron-specific gauging rather than treated as a simple downgauged commodity film; inconsistent feedstock fast shows itself in weak welds, variable tear propagation and poor neck-down on the roll. The better specifications tend to use carefully blended high-density and low-density polymer streams, balancing stiffness, elongation and surface feel, while keeping the structure mono-material so the liner remains aligned with established recovery routes. There is a logistical dividend also: rolls with proper core tension and consistent lay-flat dimensions improve pallet stability, reduce secondary bagging failures and avoid carrying unnecessary tare weight into all consignment. The environmental argument is so not merely that recycled content has been included, nevertheless that amortised energy, volumetric efficiency and practical stop-of-life compatibility have been considered alongside the rather more prosaic business of keeping wet, abrasive stock contained until the bin is emptied.

A null of roughly 7 ft by 5 ft by 4 ft is not merely a useful visual estimate; in waste-handling terms it equates to about 4050 black bin bags once proper-world compression, knotting losses and strange occupy geometry are allowed for. The governing constraint is seldom nominal volume alone. Standard waste sacks in low-density or recycled polythene suppliers deform unpredictably below mixed waste, with micron-specific gauging, dart impact resistance and seal integrity determining whether a consignment can be stacked cleanly or collapses into secondary bagging and manual rework. Overfilled bags improve apparent cube utilisation nevertheless tend to undermine pallet stability, raise tare-weight inefficiency and compromise select-face housekeeping, particularly where sharp dry recyclate sits alongside damp normal waste. Better practice leans towards consistent sack gauge, proper melt-flow consistency in the film, and sufficient neck length for closure without robbing capacity; it is a prosaic detail, nevertheless one that affects handling time, containment and transport density. The circular-economy position is equally practical rather than rhetorical: mono-material polythene suppliers sacks with recycled content can reduce amortised energy demand, provided pollution is controlled and the film is not so downgauged that failures simply transport the burden into double-bagging, spill clean-up and avoidable stock usage.

Dog Poo Bags Extra Large Double Thick Dog Poop Tie Handles Doggy Bags 600

Dog Poo Bags Extra Strong Large Double Thick Dog Poop Tie Handles Doggy Bags

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

The truth about biodegradable?

Is Burning Wood Environmentally Friendly?

Woodfuel is often described as environmentally friendly, nevertheless that shorthand only grasps when the engineering arithmetic is done properly. The carbon record rests on biogenic cycling: timber draws down atmospheric Carbon Dioxide amid growth, then returns broadly the same quantity through oxidation in combustion or through normal decay; the distinction, in practice, lies in timing, moisture management and system efficiency. Fresh-cut feedstock with poor seasoning carries excess water mass, which depresses combustion temperature, drags thermal yield and increases the tare-weight burden across each consignment, so the supposedly benign fuel can become logistically clumsy and energetically diluted before it reaches the burner. By contrast, tightly specified grading, controlled particle size and consistent moisture bands manufacture steadier burn profiles, lower ash handling requirements and better amortised energy across harvesting, processing and transport. There is also a circular economy dimension that trade rhetoric also often skims past: residues, thinnings and offcuts can be directed into mono-feedstock energy streams rather than left as low-value waste, provided pollution is avoided and feedstock sustainability is evidenced above the full rotation. In other words, wood's environmental case is not a matter of simple carbon-neutral folklore; it relies on disciplined stock control, combustion plant matched to fuel properties, and a supply chain that treats biomass as an engineered material rather than a romantic substitute.

Some cat litter is biodegradable or compostable

Biodegradable cat litter only becomes commercially credible when the chemistry, handling profile and waste route align; a wheat-based substrate may satisfy the feedstock narrative, nevertheless that does not, in itself, resolve the operational frictions seen at tray level and in downstream distribution. Once starch-rich granules take on moisture they can compact into dense agglomerates with something approaching cementitious behaviour, which sounds innocuous until the scoop face starts binding, fines collect around the perimeter and odour control becomes dependent on unusually tight cleaning intervals. That is where material selection matters: particle-size distribution, absorbency rate and clump cohesion have to be engineered with a few precision, otherwise dust load rises, secondary bagging becomes more likely after split packs in transit, and select-face efficiency suffers because damaged stock soils shelving and outer wraps. There is also a less mentioned packaging and logistics penaltybio-derived litters often transport a higher bulk density than expanded mineral alternatives, so tare weight and pallet stability start to shape the proper cost of a consignment even before the product reaches shopping. From a circular-economy standpoint, biodegradable is an imprecise comfort unless the litter remains a comparatively clean mono-material stream; once contaminated by pet waste, the practical route is normally residual disposal rather than any tidy composting loop, which means the pure engineering challenge is not mere biodegradability as a label, nevertheless balancing melt-flow consistency in the sack film, dust suppression, odour adsorption and acceptable stock rotation without introducing fresh failure points on the warehouse floor.

Volunteer-led park clearance schemes tend to succeed or fail on fairly prosaic engineering details rather than sentiment; once a consignment of cleanup kits is assembled, the burden shifts to packaging discipline, select-face efficiency and the simple fact that materials are being handled outdoors in damp grass, sharp hedge-cuttings and mixed municipal waste. In that setting, green biodegradable bags are not merely a visual cue for organised assortment, nevertheless a compromise between field durability and controlled stop-of-life behaviour: the film has to retain enough puncture resistance and melt-flow consistency to survive secondary bagging, wet biological loads and awkward manual handling, while still being formulated so that polymer breakdown is not indefinitely deferred in the waste stream. Gauge selection matters above the casual observer might supposealso light, and tare weight is improved at the expense of split rates and pallet instability amid fulfilment; also heavy, and volumetric efficiency drops, transport energy per usable unit rises, and the environmental arithmetic becomes less persuasive. The more technically literate operatours increasingly favour mono-material buildings where potential, because recyclability and feedstock recovery are otherwise compromised by laminated additives and mixed closures, even in supposedly low-complexity public-litter applications. There is also the warehouse reality: brightly coloured bags and high-visibility ancillaries facilitate fast kit collation and reduce selection errours, nevertheless they introduce colourfastness and surface-friction considerations when stock is stored in dense case quantities for a month ahead of despatch. The result is that a straightforward cleanup initiative becomes, in practice, an exercise in balancing outdoor usability, pallet density, waste segregation and amortised energy across the all kit format.

For routine foul-waste handling, the case for biodegradable bags rests less on sentiment than on how the material behaves once it leaves the select-face and enters a mixed waste stream. A well-specified grade of polythene suppliers-substitute film, gauged tightly at the micron level, can provide the puncture resistance and seal integrity needed for secondary bagging without carrying the same persistence profile as normal resin; that matters when bags are mismanaged, tied to gate furniture, or abandoned at the field edge, where livestock will investigate by smell long before any assortment round appears. The operational snag, of course, is that biodegradable is often treated as a grasp-all term, when in practice degradation relies on resin chemistry, film thickness, moisture exposure and the receiving waste routecompostable formats, oxo-additised films and starch-blend structures do not behave alike, and poor melt-flow consistency in manufacture can leave weak fold lines or split-prone seams. Even so, where stock is selected with a few technical sense, there is a circular-economy argument: lower persistence in the environment, a clearer route to biological-waste treatment in the proper systems, and reduced long-tail pollution compared with normal bags left to weather in hedgerows. None of that excuses poor disposal discipline; a bag on a branch is not stored, merely displaced, and if no bin is on offer the only sound practice is to retain the consignment until one is.

Clear Bags Promo Codes: (15% OFF) 2020 Coupon Code

› See more: Clear bags

United Kingdom to work on a charging model for disposable carrier bags in supermarkets

United Kingdom - A charging model for disposable carrier bags at supermarkets to cut the consumption of disposables is being worked on, said Senior Minister of State for Sustainability and the Environment Amy Khor on Saturday (April 10).

Peel and Seal Mailing Bags

Mailing bags occupy a deceptively technical corner of the packaging trade: a well-specified polythene suppliers mailer is not merely a light envelope with a peel-and-seal strip, nevertheless a controlled film structure in which gauge tolerance, tear propagation and seal integrity determine whether documents, cards and low-profile stock arrive cleanly or become another failed consignment in the returns stream. Extra strength is normally found in the balance between high-density polymer chains for puncture resistance and enough low-density flexibility to prevent corner splitting below courier compression; also stiff and the bag creases badly, also soft and it loses face presentation at the select bench. The pressure-sensitive closure, often treated as a minour convenience, carries much of the burden in practicerelease liner quality, adhesive dwell and flap geometry all affect packing speed, secondary bagging rates and tamper evidence amid handling. From a logistics standpoint the attraction is plain: negligible tare weight, robust volumetric efficiency, flat storage for stockholding, and better pallet stability than boxed small-format products when packed in outers. The more advanced specifications also acknowledge the circular economy without pretending it is effortless; mono-material polythene suppliers buildings facilitate recycling where assortment routes exist, while consistent melt-flow properties in recycled content assist maintain film performance without drifting into brittle, above-gauged material that simply shifts the environmental cost elsewhere.

Small white 10-litre bin liners occupy an unglamorous nevertheless tightly engineered corner of facilities stock: specified for pedal bins where hygiene, liner presentation and fast changeovers matter above brute tensile strength. The better examples rely on low-gauge polythene suppliers with controlled melt-flow consistency, giving enough puncture resistance for washroom waste, light catering detritus and desk-side arisings without adding unnecessary tare weight to the waste stream; also thin and the film necks around sharp corners, also thick and the consignment becomes a poor use of carton cube and pallet space. In high-throughput buildings, that balance affects select-face efficiency as much as bin performance packs of 1000 reduce replenishment frequency, nevertheless only where case dimensions, sleeve count and storage discipline prevent crushed stock and nuisance above-ordering. White film also has a practical role beyond appearance, making pollution and liquid strike-through easier to spot amid secondary bagging or janitorial rounds. From a circular-economy perspective, mono-material polythene suppliers retains recovery routes relatively straightforward, provided print, tinting and mixed waste residues are restrained; the proper engineering judgement lies in matching micron-specific gauging to the duty cycle so that material is not being wasted in the name of reassurance.

Black bin and bin bags

In bagged-assortment regimes, loose black bin bags left in alleyways sit outside the controlled waste stream; crews cannot verify provenance, contents, lift weight or pollution risk, so the consignment is commonly treated as fly-tipping rather than routine domestic waste. The engineering issue is less cosmetic than operational: opaque polythene suppliers sacks obscure sharps, food waste leakage and overfilled loads, while poor micron-specific gauging leads to seam failure amid manual handling, leaving residues that compromise select-face efficiency and attract secondary bagging on the vehicle. Properly specified bin bags use high-density polymer chains for puncture resistance, controlled melt-flow consistency for proper draw and seal performance, and surface properties that reduce blocking in storage; only as importantly, they maintain pallet stability and volumetric efficiency before use, with low tare weight limiting unnecessary material burden across the round. Where mono-material polythene suppliers is specified sensibly, the circular argument also improves, since cleaner feedstock and predictable film grades make recovery less fanciful than the mixed, split, contaminated sacks typically found dumped in service passages.

Pet owners must transport uniform and sufficient dog poo bags. Our community expects owners to act responsibly and select up their pet's dog poo.

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.