Polythene bags

Buy from the best range of polythene bags at unbeatable prices, catering for all retail outlets, businesses and households, with every type of poly bag from carrier bags to bin bags.

If you shop for polythene bags in a poly bags online shop or a supermarket, you will notice the massive range of polythene bags that are available on the market today. Traditional polythene bags sold in shops or supermarkets include bin bags, bin liners, recycling bags, freezer bags, food bags and compostable bags such as kitchen caddy liners and dog poo bags, not to mention carrier bags - the best-known polythene bag used in the retail industry to help consumers carry their shopping from shop to car or home.

Plastic bags are…

• Bags made from plastic for a variety of day-to-day functions
• Made from or polyethylene, usually referred to as polythene
• Also known as polythene bags, poly bags or polybags
• Available in a multitude of shapes and sizes to cover a range of uses
• Used for everyday tasks such as carrying shopping or disposing of waste
• Also used for more specialised uses such as wrapping furniture for storage or disposing of clinical waste
• Created using a process called 'blown film extrusion' or the 'tubular film process'
• Available in a range of coloured opaque polythene, or made from clear see-through polythene
• Available in a huge range of thicknesses - or gauge - to suit the job in hand, from delicate high-clarity display bags to ultra-heavy-duty rubble bags
• Often decorated with a printed design, to advertise a business or service
• Available in eco-friendly alternatives to polythene, such as biodegradable or polybio bags, that degrade when buried or they come into prolonged contact with compost

Ten things heard in conversations about polythene bags

Peel and Seal Mailing Bags

A well-specified mailing bag is a controlled film product, not only a cost-effective envelope for light products. The gauge has to grasp within tolerance, because thin spots can split below courier pressure while above-thick film wastes material and creates a bag that feels clumsy on the packing bench. Good performance comes from the balance between puncture resistance and enough flexibility for corners to sit flat without cracking the seal line. In dispatch, that balance matters. A bag that opens cleanly, seals fast and survives stacking will retain line speed up and cut handling damage in the returns stream, which is why mailers earn their retain long after the order has left the factory.

Potato Starch Carrier Bags

A potato-starch carrier bag can work well as a part of secondary packaging, nevertheless only when its handling and storage are treated with care. The material can give decent surface feel and seal quality, yet it is far less forgiving than normal polythene suppliers if damp air, long dwell times or poor stock rotation are allowed to creep in. That means warehouse conditions matter as much as the specification itself, because humidity can weaken the bag before it ever reaches the packing line. Used properly, it can transport products through select-face handling without falling apart. The practical judgement is simple: the bag performs optimal when the material selection, storage regime and dispatch timing all match.

Plastic Bags and Climate Change

A plastic bag often outlasts a paper one by a wide margin, nevertheless the proper trade-off sits in how the material behaves in use and recovery. Light polythene suppliers sacks can be reused plenty times if they are not split by sharp corners, poor sealing, or rough handling in the warehouse, which is why gauge selection matters so much. A flimsy bag may see cost-effective at packing, yet it can send superb stock to waste if it tears amid select, transit, or checkout. A stronger recycled bag gives more chance of repeated use, nevertheless only if the specification matches the load and the client does not overload it. The optimal result comes from selecting the proper strength first, not only the lowest unit cost.

Clear poly bags are most useful when fast identification matters above pure barrier performance. The transparent film lets stock controllers see contents at a glance, which cuts mistakes at products-in and makes select-face checks quicker, while the cotton drawcord gives a simple reclosable stop for items that are opened above once. That does create a production compromise, because the cord rubs through the hem and can weaken the bag if the gauge is also light or the film quality drifts. For that reason, the format suits lighter, cleaner products where visibility and easy handling matter above rough treatment on the line.

Clear polythene suppliers bags work well when small products need to be kept clean, visible and easy to sort. A medium-gauge bag in an 8 x 10 inch size gives enough room for food items, craft parts or similar stock without collapsing round the contents, so packing runs more smoothly and the load stays ordered through storage and dispatch. The transparent film lets staff inspect contents at a glance, which saves opening packs only to confirm what is inside and reduces mix-ups on a busy shop floor. When the bag is heat sealed or closed with a neck sealer, the stop sees tidy and the contents are better protected. That makes the bag a practical fit for daily handling where speed and presentation both matter.

Advertising with Poly Bags

Poly bags rely on the method the film is manufactured, because that process determines strength, clarity and how well the bag behaves on the line. Polyethylene is the material most commonly used, and blown film is favoured because it gives a controlled tube of film with even gauge when the melt, air, draw ratio and cooling are balanced properly. If those settings drift, the result can be thin spots, weak seals or bags that split amid filling or handling. Once the bubble is flattened, it transports on to printing, sealing or cutting jobs, so the quality of the basic film sets the normal for all that follows.

polythene suppliers bags making machines

polythene suppliers bag production runs at speed when the machine is install properly, and a capacity of 360 parts per small shows how fast simple secondary packaging can transport through a line. That pace suits high-volume work, nevertheless it also leaves small room for sloppy roll loading, poor film tracking, or weak seal settings. If the gauge is uneven or the film tension drifts, the bags can come off the machine with distorted edges or weak welds, which soon causes problems in packing and dispatch. Fast output only makes sense when the machine, the material, and the operatour's checks all stay in step, otherwise waste builds up only as fast as the finished packs.

Black polythene suppliers Sacks - 30 x 40 x 45" - F23B - Case of 100

Black polythene suppliers sacks are often chosen when contents need additional concealment, higher puncture resistance, and a tougher feel than a lighter bag can give. A 30 x 40 x 45 inch sack gives plenty of capacity for fat mixed waste, liner use, or normal site clearing, while the black pigment assists conceal contents and can reduce light passing through thin film. The F23B grade and case of 100 recommend a controlled supply for routine use rather than one-off handling, which suits warehouses, cleaners, and back-of-house waste points. When the gauge is matched properly to the job, less sacks split amid lifting or assortment, and that saves time on the floor.

Strong polythene suppliers bags give fish a safer journey than transporting them in a tank, because the bag assists the water and retains movement below control. A proper gauge matters here: also thin and the bag can split below pressure, particularly when stacked or lifted through a busy dispatch area. The air pocket inside the bag is only as necessary, since it leaves room for oxygen and assists the fish survive the trip. Good seal quality also reduces leak risk, which protects staff, vehicles, and the animals themselves. A well-manufactured bag is a simple part of packing, nevertheless it makes the contrast between a proper consignment and a distressed one.

Coloured polythene suppliers bags create a handling problem as soon as they are left loose in the open, because light film shifts with the wind, catches on rough ground and spreads faster than it can be gathered. On a site or in a yard, that means a waste stream that sees minour can fast turn into a trailing mess of snagged parts and scattered litter. A hand select is often the only sensible first transport, since a small team can remove the loose film before it is pulled into drains, hedges or hard-to-reach corners. Once the bags are collected early, the clean-up stays manageable and the site is far less likely to degrade again within hours.

The A-to-Z of plastic bags

Polythene bags are used for a multitude of functions, from storage to waste disposal, retail display to transportation and postage to recycling.

Here is a list of some popular types of plastic bags, from antistatic to zip-seal, with a brief description of what they are used for:

Anti-static bags - Pink bags designed to protect electrical and electronic components from electrostatic discharge.

Asbestos waste sacks - Thick red polythene bags clearly marked with a 'Asbestos Waste' warning signs, for the safe disposal of asbestos.

Bubble bags - Protective bags comprised of a series of air-cushioned 'bubbles' that keep delicate items safe during transport or storage.

Clinical waste sacks - Thick yellow polythene sacks with warning signs, used for the safe disposal or incineration of clinical waste.

Clip-close carriers - Premium carrier bags with a plastic clip-close handle attached to the top of the bag for secure fastening.

Compost bags - Green bags made from 100% biodegradable material that are perfect for disposing or kitchen or garden waste.

Display bags - Crystal-clear, glossy polypropylene bags used by retailers to give their products extra sparkle whilst on display.

Dry cleaner bags - Thin clear or coloured polythene bags used by dry cleaners and laundries to protect clothes in transit or storage.

Eco-friendly bags - A range of biodegradable bags, offering a green alternative to regular polythene bags.

Fashion carriers - Premium carrier bags made from thick polythene with a punched out handle, popular with high-end retail outlets and gift shops.

Featherpost padded mailers - 'Jiffy style' padded mailing bags made from paper and lined with bubble-wrap to protect items in the post.

Film-front bags - Display bags with a clear polypropylene front 'window' and a paper backing, popular with bakeries and cake shops.

Fish bags - Clear heavy duty polythene bags with watertight seal, ideal for use in pet shops, aquaria, garden centres or funfairs.

Grip-seal bags - Plastic bags with integral seal that is squeezed close between forefinger and thumb. Also known as minigrip bags or grippa bags.

Greeting card bags - High clarity display bag made from polypropylene film used to wrap any type of greeting card.

Hercules bags - Extra strong, tear-resistant clear polythene bags suitable for handling heavy duty contents.

High tensile strength bags - Extra strong polythene bags available in either clear or blue-tint polythene.

Jiffy mailers - Featherlight mailing bags made from paper and lined with bubble wrap to offer protection to bag contents during postage.

Jumbo carriers - The largest carrier bags on the market, these giant bags are big enough to hold anything from bedding to large cuddly toys.

Kraft carriers - Popular with retailers, these quality paper carrier bags in a range of colours offer a great alternative to polythene carrier bags.

Laundry bags - Garment covers popular with dry cleaners, designed to protect your clothes and keep them clean after collection and in storage.

Mailing bags - Handy polythene envelopes with a fold-over seal used for postage, popular with online retailers and eBay traders.

Netting bags - Bags woven from knitted plastic and closed with a drawstring. Popular use packing onions or wood kindling for fires.

Packing bags - Clear plastic bags in a huge range of sizes, used to protect items during transportation or storage.

Patch handle carrier bags - The classic carrier bag with a reinforced patch handle for a stylish look and excellent bag strength. Ideal for printing with your own design.

PolyMax bags - Extra strong heavy duty bags available in clear polythene (with good clarity) or black polythene for the very toughest of jobs.

Recycling bags - Coloured polythene bags used to separate recycling waste into different types - e.g. paper, tin, glass, plastic - and dispose of in correct bin.

Specialist bags - Lesser-known polythene bags used to serve a specific purpose, such as clinical or asbestos waste disposal, dog poo bags, flower sleeves or sweet bags.

Specimen bags - Specialist grip-seal bags with a self-seal strip and an attached pouch to keep record cards, ideal for taking samples.

Stand-up food pouches - A fantastic way to display products, these clear bags feature an integral self-seal strip and a bottom gusset so the bag can stand up on the shelf.

Starch-based bin liners - A range of eco-friendly starch-based Polybio refuse sacks, these compostable bags are ideal for disposing of food, garden or kitchen waste.

Take-away bags - These classic white rigid paper bags are popular with takeaway restaurants, although plain vest carriers are often employed as an alternative.

Top tac bags - A range of self-seal bags, including display bags and mailing bags, featuring an integral peel and seal strip for convenient use.

Ultra-strong Polymax bags - Probably the strongest polythene bags available, these 400 gauge sacks can handle the heaviest of heavy duty jobs.

Vacuum bags - Thick clear plastic bags sealed by vacuum sealers, used in the catering industry for storing or cooking food, including fish and meat.

Varigauge carriers - Carrier bags made of polythene that varies in thickness, with stronger, thicker polythene at the top so that a reinforced handle is not required.

Vest-style carriers - Strong, thin, crinkly carrier bags with two handles that looks like a vest when laid out flat. The most popular carrier bag in the UK.

Wallpaper carriers - Extra wide, thick patch handle carrier bag ideal for carrying wallpaper or other wide items.

Waste sacks - Range of sacks used to collect waste contents, either as a bin liner or freestanding bin bag.

Wicketed food bags - Counter bags that tear off from a wire bracket, known as a wicket, popular with food retailers including bakeries and delicatessens.

Wrapping paper carriers - Extra long, narrow carrier bags ideal for carrying wrapping paper or other long, thin items.

Zipper bags - Premium self-seal clear polythene bags great for displaying contents. Feature an integral metal zip fastener for a sturdy feel.

Where to buy plastic bags

Plastic bag manufacturers and suppliers include:

Polythene Bags
Polythene Bags is a fantastic website specialising in polythene bags. Design your own custom printed carrier bag or mailing bag, or choose from a massive range of stock polythene bags, from waste sacks to packing bags and mailing bags to carriers.
www.polythene-bags.co.uk

Polythene Bag
Whatever type of polythene bag you are looking for, you'll find them at Polythene Bags. Order online from a fantastic range of price-busting bags and get them delivered to any mainland UK address absolutely free.
www.polythenebags.co

Poly Bags UK
Polybags Bulk Sales provide low-cost bespoke polythene manufacturing for large-volume UK customers. As the sister website of leading manufacturer Polybags, you'll get the same first class levels of service and product quality that you get with with Polybags Ltd.
www.polybagsbulksales.co.uk

Clear Polythene Bags
Buy Polythene Bags provides customers with clear polythene bags, black polythene bags and a massive range of polythene bags and other polythene packaging, with loads of extra detail on polythene manufacturing and size guides to help you choose the right product for you.
www.buypolythenebags.co.uk

Polybags Ireland
Irish VAT-registered customers can get a huge 21% discount off all polythene packaging products at Polybags.ie as they get their VAT refunded. Shop online from a massive range of great value products or call the Polybags team to find out more.
www.polybags.ie

Poly Bags
Specialists in polythene bags and plastic carrier bags, this website offers every type of plain or printed polythene bags along with fantastic biodegradable alternatives - all at fantastic discount prices.
www.polythenebags.eu

Plastic Bags
Buy Plastic Bags provide customers with a one-stop-shop for a huge range of plain or bespoke printed plastic bags, including loads of helpful information to help you find the right plastic bag to meet your specific needs.
www.buyplasticbags.co.uk

Cheap Poly Bags
Discount Polybag offer a single source to meet all of your plastic packaging requirements at the right price for you. This tailor-made website from industry leader Polybags Ltd contains a wealth of information on the vast range of plastic packaging which they stock.
www.discountpolybag.co.uk

Clear Plastic Bags
If you're looking to buy clear plastic bags or coloured poly bags then this is the website for you. With loads of information on a huge variety of plastic bag types, you'll find all the answers to help you choose the right plastic bag for you.
www.buy-plastic-bags.co.uk

Plastic Bag Sales
A very handy resource on plastic carriers and shopping bags, Bargain Plastic Bags is the only website you'll need to find the best plastic bags at bargain prices.
www.bargainplasticbags.co.uk

Plastic Bags Suppliers
Providing customers with a definitive list of discount suppliers of plastic bags and a range of other polythene packaging - from plastic sheeting to resealable bags - this website is a fantastic resource to anyone looking to buy polythene products.
www.discountplasticbags.co.uk

Heavy Duty Plastic Bags
Find out more about a wide range of polythene bags, from shopping bags to heavy duty bags, at this excellent website that specialises in plastic bags.
www.plasticbags2u.com

Cheap Plastic Bags
Cheap Plastic Bags is an excellent website for anyone looking to buy polythene bags at cheap prices. With detailed information on huge variety of plastic bags and details of where to buy them at the best price for you.
www.cheapplasticbags.co.uk

Plastic Bag
Whatever type of plastic bag you are looking for, from clear plastic bags to resealable plastic bags, you'll find out more about it at this helpful website guaranteed to help you choose the right type of bag for your needs.
www.plasticbags2u.co.uk

Plastic Shopping Bags
Looking for shopping bags or any type of plastic bag? Need to find out more information on where to buy them on what types of bags are available? Plastic Bags Supplies is the website for you!
www.plasticbagsupplies.co.uk

Common views on polythene bags

Details about   Cellophane Display Bags Self Seal Clear 40 Micron to Fit a 6x6 Envelope 500 Pack

Display bags around the 40-micron label give a better balance of flexibility and control on the packing line. A film that is also light can flop shut, crease at the fold and snag as it goes into secondary packing, which wastes time and creates rough-looking packs. A steadier gauge grasps the opening more square, so operatours can occupy it more cleanly and stack it with less fuss. It also stands up better in carton loading and select-face handling, where flimsy packs soon beginning to see tired. That makes the line easier to dash without adding unnecessary waste.

Grey Mailing Bags Strong Poly Postal Postage Post Mail Self Seal All Sizes Cheap Grey Mailing - £29.99

Grey polythene suppliers mailing bags earn their place by keeping products moving cleanly through the packing line, not by looking tidy on a shelf. A sound specification balances film gauge, puncture resistance and seal quality so the bag survives tossing, stacking and courier handling without splitting at the seams. Too light a film can stretch, whiten and fail around sharp corners; also heavy a grade adds waste and eats into pallet space. The optimal bags also use enough opacity to conceal contents while still running smoothly through sealing and labelling, which saves time at the bench and reduces rejects.

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White carrier bags rely on film gauge and seal quality above on appearance, and that balance shapes how well they perform in the hand, on the pallet and in the depot. A slightly heavier film can stand up better to puncture and split edges, nevertheless it also changes roll yield, adds tare weight and affects how plenty packs fit on a load. If the gauge is also light, handling damage rises; if it is also heavy, the bag becomes less efficient and can slow down packing lines. A sensible specification retains the bag easy to open and proper below strain, so stock transports cleanly from filling to dispatch without avoidable waste.

A thicker plastic bag is far less likely to fail when loads are awkward, sharp-edged, or shifted about in transit. Bags manufactured at around 60 microns have more body, so they cope better with warehouse handling, stacking, and repeated picking without splitting at the seals or stretching thin at the corners. That additional gauge also gives a steadier feel on the packing line, which can assist operatours occupy and close bags more consistently. The trade-off is that more material goes through the machine and into waste streams later, so the spec requirements to match the job rather than defaulting to the heaviest option. A tougher bag normally means less claims and less spill loss, which is a fair exchange when handling is rough.

Clear Poly Bags - Polybags

Clear poly bags with gusseted sides give more usable volume without forcing the product into a tight, stressed shape. That additional width assists on the packing line when parts, garments, printed sheets, or mixed kits need to sit flat rather than bulge against sealed edges. A gusset also makes the bag stand more neatly on a shelf or in a carton, which improves filling speed and retains stacks looking tidy in storage. The trade-off is that film selection and seal quality matter more, because a thin gauge or poor seal can let the sides creep open below load. A well-manufactured gusseted bag handles better and reduces handling damage.

Clear polythene suppliers Bags are optimal for Packaging small, Valuable products.

Clear polythene suppliers bags are chosen when fast identification matters above concealment, because the contents can be checked at a glance on a packing bench, in a select-face or after despatch. That visibility speeds counting and reduces mix-ups, nevertheless it also puts the bag itself below scrutiny, so a thin, cloudy or poorly sealed film stands out straight away. Good gauge control and clean seal quality matter as much as clarity, since a bag that sees clever nevertheless splits in handling soon creates more work than it saves. A transparent bag works optimal when inspection and presentation both have to happen fast, so the converting spec requirements to suit the job rather than only see tidy on paper.

Poly Bags & Liners

Flap lock poly bags give a simple closure that suits fast packing lines and mixed warehouse stock because the flap closes neatly without a separate tie, clip, or heat seal at the point of use. That saves handling time and reduces the chance of an open bag in transit, particularly where items are counted, sorted, or repeatedly picked from a case. The closure also assists retain dust and light pollution off small parts, print material, or shopping products while still allowing the bag to be opened again if needed. In practice, the proper value lies in keeping pack-out tidy and reducing small errours that slow dispatch.

polythene suppliers Bags Advantages

polythene suppliers bags work because they combine light weight with robust daily protection. A well-chosen gauge can retain dust, moisture and loose pollution off products without adding much bulk, which assists in packing lines where speed matters and storage space is tight. They also fold flat, so can be kept close the occupy point or select-face without taking above the warehouse. The proper job is matching film thickness and seal quality to the product, since a bag that is also thin splits easily while one that is also heavy wastes material. A sensible spec retains handling damage down and makes packing simpler.

Heavy-duty polythene suppliers sacks only work properly in print when the artwork is handled by people who understand the material as well as the image. A sack surface can transport slightly amid conversion, and that makes fine detail, solid blocks, and small type harder to retain sharp than on a rigid pack. Good in-house artwork control assists retain emblems clean, trade names legible, and product information easy to read once the sacks are filled, stacked, and handled through the warehouse. Poor preparation can leave a emblem looking muddled at the point of sale or on a job site, so careful print install pays back in a neater finished pack.

Strong polythene suppliers bags give mattresses a proper barrier against dust, damp and handling labels while they transport through storage and transport. A mattress is awkward to keep safe because it is fat, soft and easily scuffed at the corners, so a light bag is not enough if the load is being stacked, shifted and restacked. The gauge of the film matters, along with seal quality and how well the bag fits the product without stretching thin at the seams. When the cover is sound, warehouse handling becomes easier and returns caused by dirty or damp stock are less likely.

Research & Resources

To find out more about plastic bags, how they are manufactured, the huge breadth of polythene bags available and their many and varied uses, please visit:

PlasticBags.uk.com: Directory specialising in plastic bags and other polythene packaging. Browse through a huge selection of plastic bags websites or, if you are a manufacturer, list your products for free.

Goldstork: A free online directory featuring the best hand-picked information on polythene bags, specially selected to cover the full range of plastic bags on the market.

PackagingKnowledge: An online polythene packaging encyclopedia containing a wealth of information on plastic bags and in-depth articles for the packaging industry.

Eco-friendly alternatives to plastic bags

If you're in need of bags to get your job done, but you want to reduce the impact on the environment while doing so, there are plenty of eco-friendly alternatives to regular polythene bags:

Biodegradable carrier bags - Made out of 100% biodegradable or renewable materials such as potato starch, these bags provide all of the strength and convenience you need and expect from a regular carrier bag but, when disposed of in composting conditions, they completely break down, making them more environmentally-friendly.

Biodegradable mailing bags - Send those all-important business mails in an eco-friendly way whilst still looking professional. This range of strong mailing bags all feature a biodegradable leaf logo to show your customers that you care about the environment. They can then dispose of the bag in compost, where it will biodegrade.

Biodegradable clear bags - A range of clear bags that are perfect for displaying products before disposing in compost or landfill, where it will completely biodegrade. Ideal for disposing of organic waste, which can be thrown away with the bag in an eco-friendly manner. Available in a range of sizes, from 4” x 6” to 36” x 48”.

Eco-friendly bin liners - Dispose of your refuse with these environmentally friendly bin liners, waste sacks and compost bags. Ideal for kitchen waste, including food peelings, other compostable food and garden, these bags are completely biodegradable. Put them in your compost heap or bury them in soil and simply wait.

Dog poo bags - For the conscientious dog owner, these eco-friendly bags show that you mean business when clearing up after your dog has done their business. Place your hand inside the bag, pick up the dog poo, turn the bag inside out and tie the bag's two handles together before disposing of in a dog poo bin or compost heap. Made from 100% biodegradable material.

Compost bags - These bags are ideal for the food waste bins or kitchen caddies for collecting and disposing of biodegradable kitchen waste. Place your vegetable and fruit peelings, cores and other similar waste into your kitchen caddy, lined with these bags. Once full, remove, tie at the top and throw in your compost bin where both bag and contents will fully degrade.