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
Buy Online Printed Plastic Courier Bags | Tamper Proof …
Courier bags have to do two jobs at once: retain weight down for efficient despatch and still survive rough handling through sorting, stacking and repeated bagging. That balance depends heavily on how the polythene suppliers is extruded, because even a small gauge tolerance can lead to weak seams, distorted flaps or stretching where a load presses hard on one spot. A well-manufactured mono-material bag also assists with pallet stability and stock handling, since it adds less dead weight and is less likely to slip than a poor film selection. When that specification is proper, breakages drop and the bag stays fit for fast-moving warehouse work.
Economy mailers only pay off when the board or film suits the product and the route it will take through packing, sorting and transport. A light grade can fold at the corners, label the contents and struggle in automated handling, while an above-specified pack eats space and can lift the consignment into a higher charge band. Rigid mailers work well for flat items that need a clean face and a few stiffness, because they resist bend and retain their shape in the stack. The sensible selection is the one that protects the load without wasting material or cube.
Mailing bags have to do a harder job than their slim profile recommends, because they transport from packing bench to cage, van and sorting system while carrying very small additional weight of their possess. That puts pressure on the film structure: the polythene suppliers must be thin enough to retain tare down, nevertheless consistent enough in gauge and melt flow to resist side weld splits, punctures and rough handling around carton corners. A bag that sees fine on the roll can still fail if the seal line is weak or the film is also brittle in colder storage. Good specification saves a lot of grief later, since the cheapest bag is not the one that tears in despatch.
polythene suppliers mailing bags work optimal when the film is chosen to suit the package stream rather than only to retain unit cost down. A bag that sees light can still handle rough treatment if the gauge, blend and seal layer are matched properly, while a poor-grade film splits at the corners or opens below load on a fast packing line. Low-density structures give useful stretch, so the bag can take knocks in transit without tearing, and a well-set adhesive strip saves time at dispatch without pulling the film out of shape. That balance matters because the alternative films affecting strength, closure and recyclability all feed into one practical result: less rejects, less rework and a cleaner handover to the carrier.
Heavy duty mailers need a tough outer skin and a proper closure because package damage often beginnings with small failures rather than one dramatic impact. A laminated polythene suppliers shell gives a smooth, moisture-resistant surface that stands up well in despatch areas, while the bubble lining cushions contents against knocks, scuffing and belt pressure. That makes them a sensible selection for flat products, small parts and lightweight shopping items that still need proper protection. The peel-and-seal strip also assists speed packing and reduces the chance of loose flaps or weak tape jobs. A mailer that combines protection with simple handling normally causes less complaints later on.
Plastic mail order bags need to suit the packing line first, because a bag that behaves badly amid filling will slow all down before it ever reaches the client. A lighter gauge can cut material use and reduce freight weight, nevertheless only when the film still has enough toughness for taped carton corners, awkward product edges and the knocks that happen as parcels transport across conveyours. If the surface slip is gross, the bag can slide around on the bench and trap air, which makes sealing less proper and leaves patchy welds that are easy to spot. The proper specification retains the line moving and cuts rejects that waste time and stock.
Mailers with a metallic stop can see impressive, nevertheless the surface can also create handling problems if the film or board is not specified properly. A shiny outer layer shows scuffs, small dents and fingerprints far more easily than a plain stop, so packout and dispatch need a clean process if the products are meant to arrive looking presentable. Where bubble cushioning is used inside a mailing pack, the outer appearance still relies on the quality of the seal and the method the item sits amid transit. A superb mailer balances presentation with protection, and that balance determines whether it reaches the client as a tidy consignment or a return.
Printed Mailing Bags - Small
Printed mailing bags rely on the proper film gauge and seal quality if they are to cope with proper packing and transport conditions. A light LDPE building retains the mailing weight down for garments, brochures and other non-fragile products, nevertheless the film still requirements enough puncture resistance to survive sorting, bundle movement and rough handling in transit. If the gauge is also low, the bag may split at corners or weak points before it reaches the client. A clean, consistent seal also stops loose closures from becoming a problem on the line. When the material performs properly, packing stays fast and the risk of damage drops.
polythene suppliers mailers work well in busy despatch areas because they keep safe products without adding much weight or taking up much storage space. The film gives a decent barrier against light rain, dust, and normal grime, so products can leave the packing bench in a clean state even when the package journey is less than gentle. This suits soft products, printed items, and other loads that do not need a rigid box to stop crushing. The flattened packs also sit neatly on a select face and are easy to top up, which retains stock handling simpler when floor space is tight and parcels are moving fast.
Jam Paper 5 1/2'' x 7 1/2'' 12pk Plastic Envelopes with Hook & Loop Closure, Index Booklet - Orange
Plastic envelopes are chosen for above tidy presentation, because the proper value lies in how they keep safe loose papers from damp hands, scuffs, and rough sorting. A thin polythene suppliers or polypropylene sleeve can retain instruction sheets, delivery notes, or sample sets together when they are handled repeatedly in a warehouse or carried from desk to dispatch. The hook-and-loop closure matters because it opens and closes cleanly without tearing the flap or wearing out like a few adhesive seals. If the gauge is also light, corners split and the contents curl; if it is also stiff, the pack becomes awkward to occupy. The proper balance gives tidy handling and less damaged documents.
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 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
- 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 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
- 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.

- 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 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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.









