Plastic bags

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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 you might hear about waste bags

Brabantia Smartfix Compostable Waste Bin Bags

Bin bags have to match the bin properly if they are to stay in position and retain waste contained. A liner that is also loose slips down the sides, while one that is also tight can split when the load settles or the rim catches on the gauge of the film. Pack size also matters in storage and dispatch, because smaller inner counts are easier to issue through a select-face system, while bulk packs reduce handling and carton waste. Consistent sizing between bag and bin cuts mess at emptying time and makes stop use much tidier.

Black sacks work well as simple market packaging because they retain manufacture together, conceal mismatched contents and are easy to transport beside a vehicle or stall. Their dark colour also assists when stock is being shown fast, since attention stays on the products rather than the pack itself. That said, sacks used for selling loose manufacture need decent gauge and sound stitching or seal quality, because a weak bag sees untidy and can split when clients lift it. In a fast-moving trading situation, the packing has to assist fast inspection and easy handling without becoming part of the problem.

A waste bag dispenser works optimal when the opening is held shut by the method the cover is fixed to the body, not by loose fold and hope. A front edge that attaches cleanly retains the pouch cover pressed above the top opening, so the bags stay enclosed and do not spill out in storage, transit, or daily handling. That matters because a bag pack that gapes open soon selects up dirt, loses shape, and creates awkward picking on a shop floor or at point of use. A secure closing method also assists the pack sit flatter in secondary packing and on shelf display, which reduces snagging and handling damage.

Biodegradable bin liners only work properly when the film grade matches the waste stream and the handling conditions around it. In food-waste use, a bag has to take damp peelings, loose scraps and the strange sharp bit of packaging without splitting in the caddy or on the walk to the communal bin store. If the gauge is also light, leaks and breakages create mess and put residents off utilising the system; if it is also heavy, material use rises without much earn in performance. A well-chosen liner also opens neatly, seals predictably and stays intact until it reaches the proper treatment route, which makes the all assortment process easier to manage.

Coloured waste sacks rely on stable film quality because sorting systems react to what the bag in reality sees like, not what the spec sheet promises. If the gauge varies, the pigment load changes or the surface selects up scuffs in storage, the sensour may treat a superb sack as the gross material and throw it into the gross stream. That creates false rejects, slows the line and can lead to additional manual checking. A consistent batch from reel to reel gives cleaner readings and steadier processing, which is what retains the waste stream moving without avoidable interruption.

Clear waste sacks improve sorting because their transparency lets pollution be checked before a bag is moved. That saves time in warehouses, plants and back-of-house spaces where mixed waste can pile up fast, and it also reduces the risk of recyclables slipping into the gross stream. A transparent sack makes liquids, food residue and stray packaging easy to spot, so a inferior load can be intercepted early instead of being passed down the line. In practice, that means less disputes above waste quality and less additional handling for cleaning teams. A simple visual check often avoids a larger disposal problem later.

Household recycling sacks for St Mary's: delivery of your next roll

A delay in household recycling sacks fast creates pressure at the kerbside and in the sorting room. When councils or contractours are short of sacks, loose material is harder to collect cleanly, and that often means additional handling, more pollution, and poorer presentation at assortment point. The format matters as much as the content, because a sack that is easy to occupy, tie and lift assists residents retain mixed recyclables together without resorting to black bags or overfilled containers. Good stock control also matters, since a small disruption in dispatch can spread through the all round plan. Reliable sack supply retains the assortment system tidy and saves avoidable sorting work later.

Rubble bags have to be robust enough to cope with rough, mixed waste because site litter is rarely tidy or dry. Stone dust, broken packaging and damp debris all add weight fast, so a weak bag can split before it reaches the quayside or skip. The useful point is to match the bag to the job, not only to the size of the load. A heavier gauge woven sack or tough polythene suppliers sack gives better resistance to tearing, while a secure top assists retain loose material in position amid handling. Good bag selection saves time, avoids spillages and retains cleanup work below control.

Hot Promotions in waste disposal bags: the optimal online offers and discounts with proper client reviews.

Waste disposal bags need to be specified for the mess they are meant to contain, not only for the price on the carton. In warehouses and back-of-house areas, the gross gauge can split below sharp offcuts, broken packaging or damp waste, and that turns a simple assortment round into a clean-up job. Film strength, seal quality and bag size all affect how well a roll or flat pack performs once it is on the bin. A slightly heavier polythene suppliers often costs more to buy, nevertheless it reduces leaks, torn liners and the additional handling that follows. The proper selection saves labour as much as material.

Rubbish bags need to match the job they are doing, and the gross gauge fast turns into split seams, leaks and additional cleaning. Light-duty sacks may be fine for dry paper waste, nevertheless once food scraps, damp cloths or broken packaging are involved, a stronger film with better puncture resistance saves a lot of mess at the bin station and in the trolley. Bag size matters as well, because an oversise liner can collapse inside the bin while a tight one is hard to fit and more likely to tear amid fitting. A sensible spec retains waste moving cleanly through the workplace and reduces handling damage at origin.

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

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.