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Packaging Bags

  • Jiffy Bags
  • Jiffy Green Bags
  • Gripseal Bags
  • Postal Bags
  • Retail Bags
  • Sacks
  • Heat Sealers
  • Woven Sacks

Shop our comprehensive range of packaging bags and sacks, suitable for retail, ecommerce, industrial, and agricultural use. Our range includes polythene bags, grip seal bags, mailing bags, black sacks, woven PP sacks, carrier bags, and more — available in a wide variety of sizes and thicknesses.


Whether you need lightweight poly bags for retail products, heavy-duty sacks for industrial materials, or mailing bags for online orders, Datec stocks the right solution at competitive bulk prices. We also offer recycled and eco-friendly bag options for businesses looking to reduce their plastic footprint in line with UK packaging regulations.


All bags are available in case or pallet quantities with fast UK-wide delivery. Browse the full packaging bags range below or call 02476 611234 for advice.

General Purpose Black Bin Bags 457 x 725 x 975mm 180g Zambesi (Box of 200)
A good quality general purpose black bin bag for rubbish clearing and bin lining. CHSA Rating: Heavy (up to 15kg weight capacity)
£ 36.68 36.68 GBP
Grey Opaque 150 x 225mm Mailing Bag 6" x 9" (Box of 1000)
A5 poly mailers to pack items up to 150mm x 225mm. These waterproof poly bag mailers are made from recycled plastic that is black on the inside and grey on the outside for good opaque qualities.
£ 27.53 27.53 GBP
Grey Opaque 225 x 318mm Mailing Bag 9" x 13" (Box of 1000)
A4 size poly mailing bags for packing items up to 225mm x 320mm. Made from good quality waterproof plastic film making these mailing bags ideal for keeping your items clean and dry even in the wettest weather.
£ 54.29 54.29 GBP
Grey Opaque 250 x 350mm Mailing Bag 10" x 14" (Box of 1000)
Small plastic postage bags for packing items up to 250 x 350mm. 100% recycled plastic co-ex grey on the outside with black on the inside for superior blackout. Post bags are perfect for use as courier bags or general protection while sending items through the UK post.
£ 63.61 63.61 GBP
Grey Opaque 300 x 400mm Mailing Bag 12" x 16" (Box of 500)
Popular size plastic mail bags for sending items up to 300mm x 400mm on courier or through the post. Plastic postal bags are made from recycled polythene in an envelope style with a self seal glue strip for quick and easy sealing.
£ 43.28 43.28 GBP
Grey Opaque 325 x 475mm Mailing Bag 13" x 19" (Box of 500)
C3 size postal bags for A3 items up to 325mm x 475mm. A waterproof opaque poly bag in grey/black co-extruded polythene with a self seal lip for quick and easy sealing. Fully recyclable and made from recycled plastic.
£ 51.99 51.99 GBP
Grey Opaque 400 x 525mm Mailing Bag 16" x 21" (Box of 500)
Recyclable mailer bags for sending items by courier up to 400mm x 525mm. A popular courier bag made from thick and strong polythene in an opaque grey colour. Made from waterproof plastic for a reliable bag for parcels that will keep your items safe and dry.
£ 69.93 69.93 GBP
Grey Opaque 450 x 550mm Mailing Bag 18" x 22" (Box of 200)
18" x 22" recyclable postage bags for posting items up to 450mm x 550mm. A strong and durable postal bag that is made from opaque LDPE/MDPE blend. These parcel bags are recyclable and are made from 100% regran polythene which has been recycled.
£ 34.20 34.2 GBP
Grey Opaque 525 x 600mm Mailing Bag 21" x 24" (Box of 200)
£ 43.31 43.31 GBP
Grey Opaque 575 x 700mm Mailing Bag 23" x 28" (Box of 200)
Big opaque poly mailers that will fit flat items up to 575 x 700mm or cubic items up to 410mm x 285mm x 285mm. Tear resistant mailing bags made from a high strength co-extruded polythene for extra durability.
£ 53.85 53.85 GBP
Grey Opaque 600 x 900mm Mailing Bag 24" x 36" (Box of 200)
Extra large poly mail bags made from 100% recycled plastic for packing items up to 600mm x 900mm. These large opaque mailing sacks are tough and tear resistant, great for sending a wide range of items through the post or on courier.
£ 74.86 74.86 GBP
Gripseal Bag 100 x 135mm (1000)
A No 6 grip seal bag in 100 x 135mm size for packing items up to 4 x 5.5 inches. These zip seal bags have a gripper zip seal that can be resealed many times and creates a waterproof sealed bag to keep items dry and dust free.
£ 9.98 9.98 GBP
Gripseal Bag 115 x 115mm (1000)
No 5 grip seal bags in 115 x 115mm size for packing items up to 4.5 x 4.5 inches. These grip sealing bags can be quickly and easily sealed without the need for heat sealing the bag closed, this makes them convenient and easy to use.
£ 9.31 9.31 GBP
Gripseal Bag 125 x 185mm (1000)
Self sealing plastic bags with a grip seal in 125 x 185mm No 9 size for packing items up to 5 x 7.5 inches. These clear plastic resealable bags are made from recyclable LDPE and contain 30%+ recycled plastic making them a great eco-conscious choice.
£ 16.85 16.85 GBP
Gripseal Bag 135 x 135mm (1000)
Square grip seal bags in the No 7 135 x 135mm size for packing items up to 5.5 x 5.5 inches. These grip sealed bags have a reseal strip that can be opened and resealed many times, it provides a waterproof seal for keeping items clean and dry.
£ 12.91 12.91 GBP
Gripseal Bag 150 x 225mm, 30%+ Recycled (1000)
A5 grip seal bags in 150 x 225mm size for packing items up to 6 x 9 inches in size. A5 self seal bags with a grip seal strip are great for packing A5 items such as cards, leaflets, and catalogues to keep them clean and dry.
£ 26.09 26.09 GBP
Gripseal Bag 185 x 185mm (1000)
Square grip seal bags in a 185 x 185mm size for packing items up to 7.5 x 7.5 inches. Reseal plastic bags have a grip seal strip so the bag can be opened and resealed many times making them great for packing items to keep them clean and dry.
£ 24.76 24.76 GBP
Gripseal Bag 200 x 275mm (1000)
Sealable bags with a grip seal strip in a 200 x 275mm size for packing items up to 8 x 11 inches. Plastic seal bags are made from recyclable plastic with a plastic grip strip so can be easily recycled, they also contain 30%+ recycled plastic material.
£ 39.24 39.24 GBP
Gripseal Bag 225 x 320mm, 30%+ Recycled (1000)
Recyclable A4 gripseal bag for items up to 225 x 320mm. Grip seal bags in A4 size can be used to pack A4 items, keeping them clean and dry. A4 gripseals are made from LDPE plastic making them recyclable, and contain 30%+ recycled plastic for an eco-conscious choice.
£ 50.44 50.44 GBP
Gripseal Bag 250 x 350mm (1000)
No 14 resealable grip bags in a 250 x 350mm size for packing items up to 10 x 14 inches. These re-seal bags are great for bagging a wide range of different items, the waterproof plastic creates a barrier keeping them clean and dry.
£ 63.56 63.56 GBP
Gripseal Bag 275 x 400mm (1000)
Resealable plastic bags with a grip seal for packing items up to 275 x 400mm in size. Transparent resealable bags are made from a recyclable LDPE polythene making them easily recyclable, they also contain over 30% recycled plastic for an eco-conscious choice.
£ 73.49 73.49 GBP
Gripseal Bag 325 x 450mm (1000)
Big gripseal bags for bagging items up to 13 x 18 inches or 325 x 450mm in size. Resealable gripper bags are used for quickly and conveniently bagging a range of items to keep them dry and dust free.
£ 96.07 96.07000000000001 GBP
Gripseal Bag 37 x 60mm (1000)
Small resealable bags with grip seal strip in 37 x 60mm size for packing items up to 1.5 x 2.5 inches. These small plastic seal bags can be resealed many times with the grip seal strip making them perfect for packing very small items like screws, washers, and small fittings.
£ 4.40 4.4 GBP
Gripseal Bag 375 x 500mm (1000)
Large grip seal bags in a 15 x 20 inch No 17 size for items up to 375mm x 500mm in size. These plain resealable bags have a gripper seal for quickly and easily sealing the bag closed without the need to fold and tape or heat seal closed.
£ 122.32 122.32000000000001 GBP
Gripseal Bag 55 x 55mm (1000)
Small square resealable bags with a grip seal strip in a No 1 size 55 x 55mm for packing items up to 2.25 x 2.25 inches. These small plastic bags with seal for packing tiny items are made from recyclable plastic and contain 30%+ recycled plastic material.
£ 4.61 4.61 GBP
Gripseal Bag 55 x 75mm (1000)
Small grip seal bags in 55 x 75mm size for packing small items up to 2 x 3 inches. These grip seal plastic bags are made from LDPE which is a recyclable plastic and can be used as kitting bags for combining many small parts together as a kit.
£ 6.59 6.59 GBP
Gripseal Bag 75 x 187mm (1000)
Clear resealable bags in the 75 x 185mm size for packing items up to 3 x 7.5 inches. These small seal bags can be opened and sealed many times with the grip seal strip at the top of the bag, making them the ideal poly bag for packing a range of small items.
£ 10.05 10.05 GBP
Gripseal Bag 75 x 80mm (1000)
Sealable plastic bags with a gripper seal strip in No 3 size (75 x 80mm) for poly bagging items up to 3 x 3.25 inches. These sealable polybags with a grip seal strip can be opened and resealed which is ideal for packing many different items.
£ 5.44 5.44 GBP
Gripseal Bag 87 x 115mm (1000)
Small resealable plastic bags with a grip seal in No 4 size 87 x 115mm for packing items up to 3.5 x 4.5 inches. These self sealing bags have a sealable grip strip that can be opened and sealed many times and provides a waterproof seal.
£ 8.91 8.91 GBP
Heavy Duty 125mm x 200mm Gripseal Polythene Bag (1000)
£ 49.60 49.6 GBP
Heavy Duty 175mm x 250mm Gripseal Polythene Bag (1000)
£ 67.56 67.56 GBP
Heavy Duty 200 x 300mm Gripseal Polythene Bag (1000)
£ 95.27 95.27 GBP
Heavy Duty 225mm x 350mm Gripseal Polythene Bag (1000)
£ 111.53 111.53 GBP
Heavy Duty 250 x 450mm Gripseal Polythene Bag (Box of 500)
£ 71.46 71.46000000000001 GBP
Heavy Duty 300 x 400mm Gripseal Polythene Bag (Box of 500)
£ 61.15 61.15 GBP
Heavy Duty Black Refuse Sack 457 x 725 x 975mm 250g Seine (Box of 100)
£ 29.30 29.3 GBP
Jumbo Black Refuse Sack 710/1040 x 1395mm 350g (Box of 50)
£ 41.42 41.42 GBP
Super Heavy Black Refuse Sack 457 x 725 x 975mm 450g Yukon (Box of 100)
£ 48.40 48.4 GBP
Woven Polyprop IBC 900 x 900 x 900mm
Our Woven Polyprop IBC (Intermediate Bulk Container) measures 900mm x 900mm x 900mm and is designed for efficient, durable bulk material handling. Made from high-strength woven polypropylene, it offers excellent resistance to moisture, UV, and tearing. Ideal for agricultural, industrial, and construction use, this reusable IBC is lightweight yet tough, providing reliable containment and transport for powders, granules, and other dry goods. Foldable for easy storage when not in use.
10 per Pack, please order in multiples of 10.
£ 6.03 6.03 GBP
Woven Polyprop Sack 450 x 600mm (Pack of 100)
£ 36.30 36.300000000000004 GBP
Write-On 100 x 135mm Gripseal Bag (1000)
£ 10.38 10.38 GBP
Write-On 115 x 115mm Gripseal Bag (1000)
£ 13.75 13.75 GBP
Write-On 125 x 185mm Gripseal Bag (1000)
£ 20.22 20.22 GBP
Write-On 135 x 135mm Gripseal Bag (1000)
£ 16.35 16.35 GBP
Write-On 150 x 225mm Gripseal Bag (1000)
£ 28.65 28.650000000000002 GBP
Write-On 185 x 185mm Gripseal Bag (1000)
£ 27.29 27.29 GBP
Write-On 200 x 275mm Gripseal Bag (1000)
£ 40.42 40.42 GBP
Write-On 225 x 320mm Gripseal Bag (1000)
£ 45.82 45.82 GBP
Write-On 250 x 350mm Gripseal Bag (Box of 500)
£ 57.11 57.11 GBP
Write-On 55 x 55mm Gripseal Bag (1000)
£ 6.51 6.51 GBP
Write-On 55 x 75mm Gripseal Bag (1000)
£ 7.80 7.8 GBP
Write-On 75 x 185mm Gripseal Bag (1000)
£ 11.04 11.040000000000001 GBP
Write-On 75 x 80mm Gripseal Polythene Bag (1000)
£ 6.22 6.22 GBP
Write-On 87 x 115mm Gripseal Bag (1000)
£ 8.11 8.11 GBP
eComBag® Padded 100 x 165mm Biodegradable Mailing Bag (Box of 200)
A light and cost-effective padded bag in 100 x 165mm size, manufactured with a honeycomb paper padding. These plastic free mailing bags are made completely from paper containing over 65% recycled paper fibre making them compostable and recyclable.
£ 19.60 19.6 GBP
eComBag® Padded 150 x 215mm Biodegradable Mailing Bag (Box of 100)
A recyclable plastic free mailing bag in 150 x 215mm size with a plastic free paper lining. This plastic free padding material is compostable, biodegradable and contains 65%+ recycled paper as well as being fully recyclable. An eco-conscious choice in mailing bags.
£ 17.71 17.71 GBP
eComBag® Padded 165 x 180mm Biodegradable Mailing Bag (Box of 100)
A light and cost-effective padded mailing bag manufactured with an expanded honeycomb paper lining in a 165 x 180mm size. This mailing bag is a plastic free alternative to C/0 size jiffy mailer made completely from compostable, biodegradable, and recyclable paper.
£ 16.13 16.13 GBP
eComBag® Padded 180 x 265mm C5 Paper Padded Mailing Bag (Box of 100)
A light padded bag manufactured with a paper padding in A5 size to pack items up to 180 x 265 mm. These small paper mailing bags are a compostable alternative to D/1 bubble mailers with a honeycomb paper lining, a truly plastic free mailing bag.
£ 32.00 32.0 GBP
eComBag® Padded 240 x 340mm A4 Paper Padded Mailing Bag (Box of 100)
A light and cost-effective A4 paper padded mailing bag manufactured with a honeycomb paper padding. All-paper mailing bags are compostable, biodegradable, and fully recyclable making them a eco-friendly choice for posting items up to 240 x 340mm.
£ 51.27 51.27 GBP
eComBag® Padded 350 x 470mm Large Paper Padded Mailing Bag (Box of 50)
A large paper padded mailing bag which is a compostable and recyclable paper padded alternative to K/7 bubble lined mailers. These all paper mailing bags have a padded honeycomb lining which offers good protection when mailing items through the post.
£ 48.67 48.67 GBP
eComBag® Paper Padded Black Biodegradable Mailing Bag
Black coloured biodegradable & compostable paper padded mailing bags for impressive looking packaging when sending items in the post. Black paper padded mailers are made completely from paper making them a great eco-conscious choice for packaging.
£ 0.00 0.0 GBP
​180 x 265mm Size D Jiffy Bag White A5 Padded Envelope (Box of 100)
The popular bubble padded envelope in a useful A5 size for packing & sending items in the post.
£ 15.55 15.55 GBP
​230 x 340mm Size G Jiffy Bag White A4 Padded Envelope (Box of 100)
White A4 size bubble envelopes for quick and efficient packing for A4 size items. Postal padded bags like these are great for posting small items on courier, the bubble padding material cushions the contents well.
£ 24.54 24.54 GBP
​Bubble Lined Mailer Size B 120 x 215mm White Protect (Box of 200)
A small mailer with bubble padding for posting items up to 120mm x 215mm in size. Great for packing and sending small items, the inner padding coupled with the strong paper mailer gives a reliable and popular mailing bag.
£ 23.86 23.86 GBP
​​Bubble Lined Mailer Size C 150 x 215mm White Protect (Box of 100)
A C/0 size jiffy mailer for packing and posting items up to 150mm x 215mm. These popular jiffy bags have long been a mainstay for posting many items via the postal service. Often used in post rooms and offices for mailing.
£ 13.21 13.21 GBP
​​Bubble Lined Mailer Size E 220 x 265mm White Protect (Box of 100)
220 x 265mm bubble lined maillite bags in a E/2 size for packing online orders & other items for posting. The durable bubble padding gives a reliable padded bag for protecting a wide range of items in the postal system
£ 19.26 19.26 GBP
​​Bubble Lined Mailer Size F 220 x 340mm White Protect (Box of 100)
MM3 size jiffy mailers for posting items up to 220 x 335mm safely and securely through the postal system. This F/3 padded mailer will also fit within the Large Letter PiP guidelines for posting via Royal Mail helping you to save on postage costs.
£ 24.41 24.41 GBP
​​Bubble Lined Mailer Size H 270 x 360mm White Protect (Box of 100)
A large Jiffy envelope in H/5 size for mailing items up to 270 x 360mm. Clean white paper outer with a protective bubble wrap lining makes these padded envelopes very popular for sending large items by post or courier.
£ 27.63 27.63 GBP
​​​​​Bubble Lined Mailer Size J 300 x 445mm White Bubble Lined Bag (Box of 50)
**30% off if you order 5 or more boxes**
J/6 size Jiffy mailmiser for items up to 300 x 445mm. Mailmiser envelopes are a lightweight mailer that is made from a strong paper outer with a bubble padded lining made with Astrobubble® for reliable protection.
£ 18.96 £ 17.99 17.990000000000002 GBP
​​​​​Bubble Lined Mailer Size K 350 x 470mm White Protect (Box of 50)
An MM7 size Jiffy bag for packing items up to 350 x 470mm. This A3 jiffy bag is a lightweight mailmiser construction with a paper outer and jiffy bubble lining. Large jiffy bags are ideal for posting A3 prints or other similar items.
£ 21.53 21.53 GBP