Polythene mailers
Polythene mailers come in a wide variety of styles, shapes and sizes . They are designed to meet the many different types of products that need mailed. Other than mailing they will protect your product from weather or punctures. Polythene mailing bags are the popular choice in today's business world as well as a popular mailing bag choice for personal mailing needs.
There are many choices of polythene mailers available on the market today that you should be able to find the right product to meet your particular needs. Plastic mail order bags can be clear or coloured and come in a wide range of sizes from smaller than an envelope to quite large. They can also be high or low density polythene, flat, ziplock or zipper mail bags, gusseted, reinforced and cushioned. Some are also made with laminated paper.
Printed mailing bags - stand out from the crowd!
There are hundreds of mailing bags to choose from, but one way to guarantee you'll like the mailing you get is to design your own! We offer a printed mailing bag service, allowing you to personalise all of your mailers with a company logo, branding or a message to your customers - whatever you want to include on your mailers we can accommodate it.
What better way to stand out from the crowd of mail on the door mat, cubby hole or mailbox every morning than with a personalised, company branded, mailing bag. You can even design seasonal mailing bags to suit the time of year - e.g. Christmas - to stand out from the crowd and give your customers something to remember to you by.
Printed packaging creates customer loyalty
Not only do printed mailing bags and other printed packaging help you stand out from the crowd, but they have been proved to create such a positive impression with customers that they actually increase customer loyalty.
An e-commerce packaging survey by Dotcom Distribution, a US-based strategic logistics partner, found that 52% of consumers were likely to make repeat purchases from online retailers that delivered their products in premium packaging, such as printed mailing bags complete with company branding.
Dotcom Distribution president Maria Haggerty said: "Customers look for the 'wow' factor when shopping online, as they miss out on the in-store experience. Premium packaging for online purchases delivers a brand's in-store experience to an e-commerce customer."
Source: 'Brown Boxes Don't Deliver for Brands' - Dotcom Distribution eCommerce Packaging Survey, 2013
Trending results for polythene mailers
Courier bags sit in a rather alternative engineering bracket from normal transit sacks; they are specified around chain-of-custody risk, repeat handling, and the awkward realities of depot work where abrasion, seal integrity and pallet stability all matter at once. The better executions tend to rely on high-density polythene suppliers structures with tightly controlled micron gauging, not merely for puncture resistance nevertheless to maintain predictable tear propagation around the closure zone, where most failures in reality start. That material discipline then intersects with logistics in a more prosaic method: low tare weight maintains volumetric efficiency across dense consignments, while a flatter pack profile improves select-face efficiency and reduces the nuisance of secondary bagging for mixed stock. Security, in practice, is less about theatrical closures than about tamper indication that survives rough handling, barcode scanning and cage transit without compromising melt-flow consistency amid manufacture. There is also a quieter circular-economy argument in favour of mono-material buildingwhere fittings, film and seal interfaces are designed to avoid contaminating the recycling streambecause the amortised energy case improves markedly when a reusable or recoverable format can be processed without laborious separation. In the warehouse, that translates into less exceptions, cleaner despatch lines and less waste tied up in damaged units that fail before the consignment has even left the floor.
Plastic Envelopes Products +
In the packaging trade, plastic envelopes sit in an oddly technical corner of the stock profile: simple at first glance, yet heavily influenced by film chemistry, line speeds and the practicalities of fulfilment. Flat formats tend to suit documentation packs and slimline consignment work where pallet density and select-face efficiency matter, while expandable buildings accommodate thicker inserts without introducing the carton bulge that undermines load stability in transit. The better operatours do rather above grasp stock; they manage warehousing around call-off patterns, align tailored pack design to micron-specific gauging and seal performance, and build fulfilment routines that prevent secondary bagging from becoming an avoidable labour drag. Material selection is not incidental herehigh-density polythene suppliers blends and controlled melt-flow consistency affect puncture behaviour, clarity and surface slip, all of which bear directly on machine handling and label stickiness. There is also a quieter circular-economy calculation in play: mono-material structures simplify recyclability, lower tare weight assists volumetric efficiency across the consignment cycle, and only-in-time delivery mitigates the dead stock and amortised energy burden that accumulates when packaging sits inactive in the warehouse.
For apparel fulfilment, the normal issue is no longer a heavyweight carton nevertheless a recycled LDPE mail-order bag engineered around freight economics as much as simple containment. In practice, a well-manufactured polythene suppliers pouch drawn from recovered film stock cuts tare weight materially, improves volumetric efficiency across the consignment, and reduces the dead space that plays havoc with pallet stability once parcels transport from sortation to last-mile cages. The technical nuance sits in the film itself: high-density polymer chain orientation is not the objective here, because garment distribution requirements flex-crack resistance, proper heat-seal behaviour and enough puncture tolerance to survive secondary bagging, conveyour transfers and the normal abrasion at the select face. That is why recycled low-density grades, when processed with tight melt-flow consistency and sensible micron-specific gauging, remain commercially persuasive; they facilitate mono-material recyclability while amortising the energy already embodied in mail-consumer film. The awkward part, familiar to anyone who has stood beside a packing bench, is that recycled content can introduce variabilityseal windows narrow, slip can change, and static may affect handling of lightweight garmentsso the bag specification has to balance surface resistivity, gauge control and seal integrity rather than chasing headline recycled percentages in isolation.
ANY SIZE POLY BUBBLE MAILERS SHIPPING MAILING PADDED BAGS ENVELOPES SELF SEAL
White tuck top mailers tend to attract proper interest in secondary trading channels for reasons that are rather more practical than cosmetic. On the warehouse floor, the format lends itself to clean erection at the pack bench, low tare weight through the package network, and proper pallet stability before despatch; that combination matters when margins are being eroded by dimensional thresholds rather than by raw board cost alone. The better lots are normally those with consistent caliper and tidy die-cutting, because board memory, flap alignment and crush resistance all have a direct bearing on select-face efficiency and returns handling once consignments beginning moving at volume. There is also the less glamorous matter of substrate discipline: uncoated white-board buildings are often preferred where mono-material recyclability and straightforward fibre recovery are part of the waste stream calculation, even if that necessitates tighter control of surface marking and edge scuffing in transit. In short, worthwhile mailer stock is rarely defined by headline quantity; it is defined by whether the pack can maintain presentation, stacking integrity and line-side throughput without inviting secondary bagging or avoidable damage write-offs.
Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £151.99
Mailing bags sit at an awkward junction between materials science and despatch discipline; acquire the specification gross and the penalty appears almost immediately in split seams, poor pallet stability at pack-out, or needless uplift in tare weight across a big consignment dash. In practice, the better grades rely on a controlled polythene suppliers film with consistent gauge across the web, so puncture resistance is not confined to the middle panel while the fold lines and bottom weld remain the weak link. That matters on the warehouse floor, where strange-shaped stock, sharp carton corners and hurried secondary bagging expose all shortcut in melt-flow consistency and seal performance. Grey co-ex variants are often favoured not out of vanity nevertheless because opacity masks contents while allowing a mono-material building that is simpler to recover in the recycling stream than mixed laminates or paper-polythene suppliers hybrids. The adhesive closure has its possess engineering logic aggressive enough to resist lift amid automated sorting, nevertheless not so overbuilt that it distorts the lip or creates snagging in tote handling. Sizes, meanwhile, are less a list of products exercise than a volumetric efficiency problem: also generous and the pack traps air, compromises select-face efficiency and inflates cubic load; also tight and the film works beyond its elongation comfort zone, which is when seam creep and burst failures start to surface.
GSSMA04 Grey Opaque polythene suppliers Mailing Bags. With self Seal
Grey opaque polythene suppliers mailing bags in a 300 x 400 mm format, gauged at 55 micron, occupy a rather practical middle ground in fulfilment: stout enough to tolerate conveyour abrasion, chute drops and the low-grade scuffing that occurs in mixed consignments, yet light enough that tare weight does not quietly erode volumetric efficiency. The opacity is not merely cosmetic; it mitigates casual stock visibility in transit and on the select line, while the self-seal closure removes a secondary taping step that would otherwise slow pack benches and introduce inconsistency around the flap. At 55 micron, the film sits in a useful zone where impact resistance and puncture behaviour are governed by polymer-chain orientation rather than brute thickness alone, so melt-flow consistency amid extrusion matters only as much as nominal gauge. On the warehouse floor, that translates into cleaner opening, less split seams below corner loading and better pallet stability once sacks are cased in outer cartons. There is also a circular-economy case, provided the structure remains mono-material polythene suppliers rather than a laminate; recovery is markedly more straightforward, and the amortised energy tied up in each unit is easier to justify when the bag survives handling without necessitating secondary bagging or spoilage write-offs.
Recycled polythene suppliers mailers have moved well beyond the old trade-off between light tare weight and compromised handling; the better grades now rely on tightly controlled mail-consumer feedstock, blended to maintain melt-flow consistency and puncture performance across surprisingly lean micron-specific gauges. That matters on the warehouse floor, where secondary bagging, split consignments and erratic select-face profiles expose all disadvantage in seal integrity and film memory. A poorly specified mailer will neck, cling or distort below line speed, then underperform once stacked, dragging down pallet stability and volumetric efficiency in the courier cage. By contrast, a mono-material structure with tuned slip properties and sensible surface treatment mitigates static select-up and facilitates clean machinability without making the pack above-engineered for a single trip. The circular economy case is not merely rhetorical either; where reclaimed polythene suppliers is processed with efficient discipline, the amortised energy burden is materially below virgin-heavy formats, and the absence of mixed laminates leaves the article far better placed for reprocessing after useassuming, as ever, that assortment and sortation are aligned with the material reality rather than the label copy.
Coloured mailers earn their place in gift fulfilment not merely because they present well at the doorstep, nevertheless because they reconcile branding with warehouse practicality. In the small-package stream, a well-specified polythene suppliers mailer with controlled micron gauging and proper seal integrity reduces the need for secondary bagging, retains tare weight down, and maintains volumetric efficiency across mixed consignments; that matters when gift packs contain strange formats, from jars and pouches to cartons with awkward edge profiles. The engineering friction sits in the balance between puncture resistance and line speedalso soft a film and corner ingress becomes a claims issue, also stiff and the pack station loses tempo as operatours fight memory in the web. Pigmentation complicates matters again, since colour loading can alter melt-flow consistency and, in cheaper buildings, compromise weld performance. Better-grade mono-material formats mitigate that by holding recyclability within reach while maintaining pallet stability and select-face efficiency in despatch, particularly where fast-turn seasonal stock has to transport through expedited networks without the packaging becoming the weak link.
Heavy duty mailers have gained traction because they remove a superb offer of avoidable friction from the packing bench: no carton erection, no secondary null occupy, and far less handling variability between operatives on a busy line. For smaller consignments up to roughly 2 inches in profile, the engineering value sits in the structure rather than the sales pitchcontrolled caliper, directional stiffness and a closure system that grasps compression without the tare weight penalty associated with normal corrugate formats. That matters in practice; lower pack mass improves volumetric efficiency and can proper pallet build by reducing uneven deck loads, while a flatter inbound format releases more select-face capacity in the stock area. Where paper-based buildings are used intelligently, the circular economy case is not merely cosmetic: mono-material recovery is simpler, fibre yield is less compromised by mixed-component laminates, and the amortised energy burden can compare favourably with more elaborate pack formats that rely on multiple inputs and secondary bagging. The stronger operatours in this segment also understand that durability is a materials question firstsurface toughness, crease retention and consistent board formation all have a bearing on whether the mailer survives automated sorting, edge impacts and repeated conveyour transfers without splitting at the seams.
Economy mailers sits in the less glamorous nevertheless decidedly technical stop of fulfilment, where packaging stock is judged not by brochure claims nevertheless by how it behaves at the bench, on the pallet and through the package network. Rigid mailers and reverse-tuck cartons reply alternative handling problems: the former rely on board stiffness, crease memory and tight gauge control to prevent corner crush and panel bowing when flat consignments are fed through automated sortation, while the latter trade on volumetric efficiency, low tare weight and clean erection at the select-face, where a poorly cut tuck or inconsistent board caliper will fast display itself in lost packing time and unstable pallet patterns. The industrial logic is fairly plainsecondary bagging, null occupy and returns processing all become more manageable when the pack format is matched to the product geometry rather than forcing a one-size-fits-all carton into service. There is also a circular-economy angle that the trade now watches more closely than it once did: mono-material fibre buildings simplify recovery, reduced dead weight trims amortised transport energy across a consignment dash, and disciplined material specification limits waste from split seams, delamination and stock damage long before anything reaches the stop user.
Printed mailers - get a quote in 60 seconds!
Not only are we able to provide the ideal mailing for you or company through our personalisation service, but we give you an instant quote on how much it will cost!
It takes less than 60 seconds to complete our online quote form and we'll email you a quote immediately. We don't hang around and we don't want you to have to either!
Just tell us a few details about the mailing bags you need - quantity, size, polythene thickness, colour etc. - and whether you want it printed on one or both sides. We'll instantly calculate what your order will cost an give you the price there and then - in total and per bag!
Life's too short to wait around, so order your printed mailing bags with us and you won't have to - you'll have a quote in 60 seconds!
Types of polythene mailers:
Polythene mailing bags come in all shapes and sizes. They have some common features - such as their easy-to-use self-seal strip - but cater for a huge variety of postage needs with a wide range of products. Here are a few of the most popular:
Clear polythene mailers
Clear polythene mailers are lightweight and so help to reduce postage costs. They are also waterproof and tear-resistant, which makes them the ideal mailer for posting catalogues and brochures.
Blue opaque mailers
Blue opaque mailing bags are also waterproof and strong, as well as being 100% recyclable. They offer more security than a clear mailing envelope, whilst their professional appearance makes them popular with mail order or online delivery companies.
High security mailers
Tamper-evident sealing strips, thick black bags and ‘VOID’ labels to place across seals all feature in a range of high security mailing bags, which provide extra security and confidentiality for your mail.
Heavy duty mailers
Heavy duty mailing bags are made from a extra tough polythene - a strong co-extruded material that means you can post with confidence that your mail can withstand some rough handling in transit.
Superlight bubble mailers
If you need to post any valuable or delicate items, superlight bubble mailing bags can provide the all-important protection that they require. Lined with bubble wrap, these handy mailers are waterproof, strong and light.
Metallic mailers
Give your mail some extra va-va-voom with this range of premium quality metallic mailing bags. Available in a selection of glossy metallic colours, these snazzy envelopes are guaranteed to make an impact.
Coloured mailers
Another great way to get your mail noticed is to use a coloured mailing bag. Featuring colours such as baby pink, eco green, baby purple and glossy blue, this range of vivid coloured mailers will brighten up any delivery.
Biodegradable mailers
Look out for the environment while you send your mail with this range of biodegradable mailers. These strong mailing bags do the same great job as regular mailers, but they also biodegrade as compost once disposed of.
Mailing bags with handles
Mailing bags with a difference - with a seal at one end and a handle at the other, these bags are designed for easy handling. They are also multi-use bags, as an integral double seal allows for easy returns, making them popular with online retailers.
Polyethylene
Polyethylene or polythene (IUPAC name polyethene) is a thermoplastic commodity heavily used in consumer products. Over 60 million tons of the material are produced worldwide every year.
Classification
- Ultra high molecular weight polyethylene (UHMWPE)
- Ultra low molecular weight polyethylene (ULMWPE - PE-WAX)
- High molecular weight polyethylene (HMWPE)
- High density polyethylene (HDPE)
- High density cross-linked polyethylene (HDXLPE)
- Cross-linked polyethylene (PEX)
- Medium density polyethylene (MDPE)
- Low density polyethylene (LDPE)
- Linear low density polyethylene (LLDPE)
- Very low density polyethylene (VLDPE)
If you are interested in mailing you could always visit the mailing and courier bags section of packagingknowledge.com.
Get 20% off secure black mailsacks this Christmas!
There's a fab festive offer from those fantastic folk at Polybags.co.uk this Christmas. Our parent website are giving 20% off all orders of secure black mailing sacks over £75.
All you have to do is apply voucher XMASMAIL16 and order your mailing sacks - the sleek black high security bags that Santa trusts for even his most confidential deliveries - and the discount will be automatically applied to your basket once your order reaches £75.
There's strictly one voucher per customer and it's a limited time offer, so don't delay!
