About us

Polythenemailers.co.uk is a division of Polybags specialising in polythene mailing bags. Polybags were established in 1961 by Mr Geoffrey Davies, who purchased a bag-making machine advertised in the local paper and sold door-to-door. As sales grew, the business moved firstly to a lock-up garage and then on to larger factory. Polybags now have a new management team and are looking to continue Polybags' development and success.

You should know this about blue opaque mailers

Plastic Envelopes Sale

Plastic envelopes live or die on consistency, because a cost-effective batch that varies in seal strength or gauge can create more waste than it saves. A transparent film may see tidy on the shelf, nevertheless if the seams split in dispatch or the flap does not close properly, the pack fast becomes a liability for picking, mail handling and client presentation. Quality assurance matters here because repeat faults are easy to spot when envelopes transport through a packing line or warehouse. Price concessions only make sense when the product still grasps up in use. A lower unit cost is no bargain if handling damage turns into returns and complaints.

Courier bags need to do one simple job properly: keep safe contents from theft, weather and rough handling from the moment they are packed to the moment they are opened. A superb bag relies on the proper film gauge, a proper adhesive strip and enough puncture resistance to survive sorting belts, van stacking and repeated drops without splitting. Tamper-evident properties matter because any sign of opening assists at dispatch and on receipt, particularly for documents, returns and shopping parcels. If the bag is also thin or the seal is weak, handling damage and claims soon follow, so specification selection has a direct effect on loss control and client confidence.

Economy mailers work optimal when the pack size, film gauge and seal strength all match the method products transport through dispatch. A light-duty poly mailer can retain clothing, soft products and other low-risk items clean and dry without adding much cube to each consignment, which assists select-face efficiency and retains postage weight down. The 2 mil building gives enough body for routine handling, nevertheless it still requirements a consistent seal and sensible loading so the bag does not split at the corners or creep open in transit. Where the contents are flexible and not fragile, this style of mailer is a tidy, low-waste selection that speeds packing without above-specifying the job.

Mail Lite H/5 Plus Oyster Mailing Bags 270 (Box of 100)

Mailing bags need to do two jobs at once: retain products clean and survive the rough handling that comes with sorting, stacking and dispatch. A bag with a peel-and-seal strip speeds up packing on the line because there is no separate tape to apply, which saves time when orders are moving fast. Bubble cushioning also assists by softening knocks, so lighter fragile items are less likely to arrive scuffed or split. The oyster stop is tidy enough for shopping presentation without being fussy, while the 270 size suits a spectrum of flat or low-profile products. A well-chosen mailing bag reduces handling damage and retains despatch work moving at a proper pace.

polythene suppliers mailing bags have to do a very practical job, so the first thing that matters is whether the film, seal, and gauge can stand up to rough handling on the packing line and in transit. A pilot dash is the sensible time to check how the bag behaves when labels, folded garments, brochures, or lightweight parts are dropped in at speed, because a bag that sees fine on the roll can still snag, split, or seal poorly once production beginnings. It also assists to see whether the format feeds cleanly, stacks neatly, and grasps its shape in the secondary packing steps. That early check saves grief later, when damaged mailers mean rework, waste, and unhappy recipients.

Heavy duty mailers suit parcels that need better protection than a light paper envelope can give, particularly when orders are flat, slightly fat, or likely to rub in transit. A tougher polythene suppliers grade stands up better to scuffs, damp sheds, and the knocks that come with sorting centres, while the adhesive strip saves time on the packing bench and gives a cleaner close than tape-heavy packs. Water resistance also assists when consignments pass through mixed handling conditions, because a dry outer retains labels readable and products presentable. For small-item dispatch, a well-chosen mailer cuts packing time and reduces damage claims. That makes it a sensible secondary pack when speed and protection both matter.

For fulfilment houses moving high package counts through automated select lines, the discussion around plastic mail order bags has shifted well beyond optics; it now sits at the junction of polymer engineering, outbound freight economics and stop-of-life compliance. The technical trouble is not merely replacing a normal film with something that appears greener, nevertheless preserving puncture resistance, seal integrity and controlled slip on high-speed packing benches while reducing gauge and keeping tare weight in check. A poorly specified mailer with inconsistent melt-flow behaviour or erratic surface resistivity will snag in magazines, generate static at the select-face and invite secondary bagging when corners from boxed stock beginning to strike throughnone of which survives contact with warehouse throughput targets. The more credible response has been a transport towards mono-material polythene suppliers buildings with tighter micron-specific gauging, recycled content folded in where melt consistency enables, and adhesive systems calibrated so returns handling remains workable without contaminating the recycling stream. That come facilitates pallet stability and volumetric efficiency in the transport chain, yet it also acknowledges a harder commercial truth: once non-degradable formats drop out of tolerance in leading markets, packaging selection becomes an exercise in feedstock discipline and amortised energy, not a simple swap from one bag to another.

ANY SIZE POLY BUBBLE MAILERS SHIPPING MAILING PADDED BAGS ENVELOPES SELF SEAL

Protective mailers earn their place when light products need a tidy, low-risk method to travel without paying for a box and a lot of filler. A well-manufactured mailer saves space in storage, speeds up packing at the bench and reduces the chance of handling damage because the item sits inside a close-fitting outer. The material selection matters: paper mailers suit flatter, less fragile items, while padded or polythene suppliers versions cope better with knocks and damp conditions. Seal quality also counts, since a weak closure can undo the benefits of the all pack. For dispatch teams, the optimal mailer is the one that retains order picking fast and the package stable all the method through the carrier chain.

Welcome to the Printed Mailing Bags business to business directory. Here you will come by manufacturers, suppliers and distributours of Printed Mailing Bags, Bespoke bags, Bespoke polythene suppliers bags and Cardboard packaging around the UK.

Printed mailing bags sit at an awkward junction between pack-line efficiency and emblem presentation; the bag has to dash cleanly through fulfilment, grasp gauge across the seal area, and still accept sharp print without compromising melt-flow consistency in conversion. In practice, that means specifying a polythene suppliers structure with enough puncture resistance for secondary bagging exceptions, yet a tare weight low enough to maintain volumetric efficiency across the consignment and avoid needless uplift in transport mass. The print process itself introduces technical frictionsurface treatment, ink stickiness and slip performance all interact, and if the coefficient is gross the bags cling on the select face, slow manual packing and unsettle pallet stability once packed stock starts to stack unevenly. Better-performing formats tend to resolve this through controlled film orientation, micron-specific gauging and adhesives calibrated for fast peel-and-seal closure rather than brute stick strength. There is also the circular economy question, which is no longer peripheral: mono-material buildings are being specified not for optics, nevertheless because they simplify recovery streams and reduce the reprocessing penalties associated with mixed laminates. Where procurement teams search for comparative offers, the sensible exercise is less about collecting names than filtering for converters that understand those warehouse-floor realitiesprint registration, seal integrity, surface resistivity and dispatch throughput being the points that determine whether a printed mailing bag is a workable packaging component or merely decorated polythene suppliers.

Opaque polythene suppliers mailers occupy a rather unglamorous nevertheless technically awkward corner of the fulfilment chain, where print opacity, tear performance and line-speed compatibility have to coexist without inflating tare weight or compromising volumetric efficiency. The better grades are typically built around controlled high-density polymer chains and a stable gauge profile, so the bag survives rough handling at select-face level while still presenting a clean, low-slip stop through secondary bagging and despatch. That opacity is not merely cosmetic; it can assist with contents concealment and reduce visual abrasion in mixed consignments, yet it also imposes a small material penalty that has to be justified through better mono-material recyclability and more consistent melt-flow behaviour at stop of life. In practice, the appeal lies in pragmatism rather than theatre: a well-manufactured polythene suppliers mailer mitigates damage, stacks predictably on the pallet, and retains packing operations moving without demanding specialist kit or elaborate changeovers.

Polybags range of products

They have been trading online at polybags.co.uk since 1999, where you will find an unbeatable range of polythene packaging products including:

Mailing bags
Mailing and courier bags
Designed for postal or courier transport, mailing bags are light, waterproof and have an integral adhesive strip. Courier bags are made with a 3 layer co-extruded polythene mix to ensure maximum tear resistance. Usually they are white on the outside layer and light grey on the inside layer giving them an opaque appearance, however any coloured polyethylene can be used. Polybags stocked ranges cover economy and 'Tuff' mailers, mailorder and courier bags, tamper proof, bubble and even high impact metallic advertising mailers. Mailing bags come in a wide variety of styles, shapes and sizes and can be made from a wide variety of materials that include paper, plastic, vinyl and canvas, as well as others. They are designed to meet the many different types of products that need mailed. Mailing bags have many functions that also go above and beyond just mailing your package.
Plain polythene bags
Plain polythene bags
Polythene is a cost competitive and versatile plastic and has less effect on the environment. Polybags offer plain polythene bags in various sizes and shapes available in LDPE and HPDE materials polybags are one of the most successful types of packaging. These are also called plastic bags or storage bags. Small bags, large bags you can even get special promotional polythene bags that can be printed with your own design or logo.
Grip seal and slider grip bags
Grip seal and slider grip bags
Grip seal and slider grip bags have a slider profile that enables you to slide open and shut the bag. Ideal where you want to secure contents and avoid leakage or contamination, no need of bag-sealer, staples or tape. Slider grip bags are perfect for document storage. Easy to open and close again and again...and again. A large part of our business always have pallet loads in stock awaiting your order. Also called self seal, grippa or grip-lock bags.
Presentation bags and retail bags
Presentation bags and retail bags
A range of crystal clear presentation and retail bags manufactured from high clarity polypropylene film these are the best choices for product presentation. Presentation and Retail bags offer better moisture protection and are clearer and stronger preserving the product freshness when used for a food service application. Clear wrapping film is ideal to wrap flowers and presents, shiny clear wrapping film made from polypropylene that protects and also enhances your gift product.
Carrier bags
Stocked carrier bags
A variety of clear and colored stocked carriers to suit your specific product be it CD's, books or paintings. These are standard carrier bags for everyday use such as clothing and lightweight general shopping. Economic vest style carriers that will do the job. The vest style carrier is the traditional high density crinkly carrier used in groceries, available in clear, white, blue and candy stripe colours.
Bubble film and bubble bags
Bubble film and bubble bags
Bubble film and bubble bags have proved to be one of the most versatile packaging materials of recent years. Being soft and flexible and yet displaying incredible tear resistance, bubble film has earned itself a place in almost every packaging environment. Polybags.co.uk offers a full line of bubble bags and bubble wrap. Whether you need a reclosable bubble bag, a bubble bag with a lip and tape for easy closing, or bubble wrap to protect your shipments you will find it there. Bubble bags provide soft cushioning for tough protection against shock, vibration and water damage.
Waste bags and sacks
Waste bags and sacks
Plastic waste bags and sacks are used for articles not connected with food. They are made from LDPE and HDPE material. Available in various sizes waste bags and sacks are made with flexible material used for lining litter or waste containers or bins. This serves to keep the container sanitary by avoiding container contact with the rubbish. Made from recycled film but very strong, Polybags bin liners fit most types of bin and are ideal for household, office, garden or building rubbish. For specialist types of waste we also stock sacks with specific printed warnings plus a new biodegradable range.
Environmental bags
Environmental bags
Billions of plastic bags are choking our planet. All of these "free" bags ultimately cost both consumers and the environment plenty so now Polybags manufactures and stocks a wide range of eco-friendly green packaging products to suit your needs and help towards a better environment. A range of eco-friendly bin liners and refuse sacks ideal for landfill disposal to minimise environmental impact when buried or put in prolonged contact with soil.
Garment bags and pallet covers
Garment bags and pallet covers
Polybags is now a leading UK manufacturer of Dry Cleaning Garment covers and Laundry Bags as well as a major stockist of wide sheeting and shrinkable pallet covers for outside and in-transit protection. These are large plastic bags for covering pallets during shipment. Use it to cover pallets that you will store inside or outside, protecting from the weather, dust, paint, water, snow, and other common uses. Pallet Covers can also be used as liners for bins. Garment bags are made with hanger holes and sloped shoulders and come on a roll for easy dispensing. Polybags can also put a custom print or logo on these bags. Dry cleaning bags are perfect for protecting everything in a common wardrobe and keeping them wrinkle free!
Polythene tubing and sheeting
Polythene tubing and sheeting
Tubing and sheeting are an excellent packaging alternative when packaging multiple items sharing a common width or diameter but varying lengths. Poly sheeting can be used to wrap around products and secure with tape or banding or some other method. Tubes and Plastic Sheets also provide a more effective packaging solution for protection against rust and corrosion for both ferrous, non-ferrous metal and also multi metal surfaces, spares, parts assemblies and finished goods. Ideal for securing irregular shaped loads. A quick, quiet and clear way of wrapping, stabilising and securing palletised goods. Protects from dust and weather when in storage, and retains it's tension whilst in transit.
Specialist bags
Specialist bags
Film Front Bags, also known as clear faced bags or window bags used by bakers to artists. Film front bags have a clear polypropylene front and a white kraft paper back so that the contents are protected but clearly seen. High Density Food Bags, Vacuum Pouch Bags, Net Bags, Poly Gloves, Polymax bags - NEW, Tenax sleeving and Special waste sacks
Transit packing
Transit packing
A selection of associated packaging products such as stretchwrap(for economically wrapping round boxes, pallets and items to keep them secure), tape, boxes, pallet covers and document enclosed envelopes for transit packing.
Bag ties and sealers
Bag ties and sealers
Paper and plastic bag ties and clips, adhesive disks and hooks used as a closure to secure the content or highlight your bags plus manual heat sealers to seal your product in tubing or make your own small batch bags, to close or seal your bags or make your exact sized bag.