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Postage Bags & Mailing Bags

Our selection of postage bags is designed to cover all your mailing needs with ease. Available in a variety of colours and styles, these versatile mailing bags are suitable for both small parcels and large shipments. Each bag is tamper-proof, waterproof, and built for strength, ensuring your items remain secure and protected. Starting from just 0.01p, our parcel bags provide both exceptional durability and outstanding value for your shipping solutions.

Cheap Grey Mailing Bags UK | 14 Sizes | Eco-Friendly Polythene Postage Bags
£4.00
Eco-Friendly Grey Mailing Bags Looking for reliable and affordable grey mailing bags for your business? Our premium quality grey plastic mailing bags... Full details

Cheap Grey Mailing Bags UK | 14 Sizes | Eco-Friendly Polythene Postage Bags

4.5 x 7 Inch 6.5 x 9 Inch 9 x 12 Inch +11

Regular price £4+

120x Grey Plastic Mailing Bags - 20 of Each Assorted Sizes
Best Seller
£8.99
Assorted Grey Polyethylene Parcel Bags Pack of 120 assorted grey parcel bags with 20 each of following sizes 4.5x7 Inch, 6.5x9 Inch, 9x12... Full details

120x Grey Plastic Mailing Bags - 20 of Each Assorted Sizes

Regular price £8.99

Grey Mailing Bags - Polythene Bags 12x16 Inch
£7.00
Grey Polyethylene Postal Bags - 12x16 Mailing Bags Our 12x16 inch grey mailing polythene bags are a reliable and cost-effective solution for... Full details

12x16 Inch Grey Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

100x Pink Plastic Mailing Bags - 25 of Each Assorted Sizes
Best Seller
£9.99
Assorted Pink Polyethylene Parcel Bags Our assorted Pink Mailing Bags come in a pack of 100 giving you 25 of each of the... Full details

100x Pink Plastic Mailing Bags - 25 of Each Assorted Sizes

Regular price £9.99

Grey Mailing Bags - Bags for Parcels 13x19 Inch
£7.00
Grey Mailing Bags 13x19 Inch Our 13 x 19 inch grey mailing bags are designed to provide a secure and professional packaging... Full details

13x19 Inch Grey Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Pink Mailing Bags - Bags for Parcels 17x22 Inch
£12.00
Pink Polyethylene Postal Bags 17x22 Inch Our 17 x 22 inch pink mailing bags are ideal for posting large and bulky items... Full details

17x22 Inch Pink Plastic Postage Bags - Mailing Bags for Parcels

Regular price £12+

100x Purple Plastic Mailing Bags - 25 of Each Assorted Sizes
Best Seller
£9.99
Purple Parcel Bags for Shipping Our Purple Mailing Bags come in a pack of 100 giving you 25 of each of the... Full details

100x Purple Plastic Mailing Bags - 25 of Each Assorted Sizes

Regular price £9.99

100x Blue Plastic Mailing Bags - 25 of Each Assorted Sizes
Best Seller
£9.99
Assorted Blue Polyethylene Postal Bags Our Blue Mailing Bags come in an assorted pack of 100 containing 25 of each of the... Full details

100x Blue Plastic Mailing Bags - 25 of Each Assorted Sizes

Regular price £9.99

Grey Mailing Bags - Bags for Parcels 17x24 Inch
£12.00
Grey Mailing Bags 17x24 Inch When it comes to shipping larger items, our 17 x 24 inch grey mailing bags offer the... Full details

17x24 Inch Grey Plastic Postage Bags - Mailing Bags for Parcels

Regular price £12+

Pink Mailing Bags - Bags for Parcels 12x16 Inch
£7.00
Pink Polyethylene Postal Bags 12x16 Inch Our 12 x 16 inch pink postage bags offer the perfect balance of size and function.... Full details

12x16 Inch Pink Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Purple Mailing Bags - Bags for Parcels 17x22 Inch
£12.00
Purple Polyethylene Postal Bags 17x22 Inch Our Purple Mailing Bags are made from low-density polyethylene (LDPE), making it the perfect option for... Full details

17x22 Inch Purple Plastic Postage Bags - Mailing Bags for Parcels

Regular price £12+

Grey Mailing Bags - Plastic Bags 10x14 Inch
£7.00
Grey Mailing Bags 12x16 Inch Optimize your shipping operations with our 10 x 14 inch grey mailing bags, tailored for medium-sized items... Full details

10x14 Inch Grey Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Green Mailing Bags - Bags for Parcels 12x16 Inch
Best Seller
£7.00
Green Polyethylene Postal Bags 12x16 Inch Our 12 x 16 inch green mailing bags are the perfect mid-size solution for secure, eco-conscious... Full details

12x16 Inch Green Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Blue Mailing Bags - Bags for Parcels 12x16 Inch
£7.00
Blue Polyethylene Postal Bags 12x16 Inch The 12 x 16 inch blue mailing bags offer a balance between compactness and capacity, making... Full details

12x16 Inch Blue Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Green Mailing Bags - Bags for Parcels 17x22 Inch
Best Seller
£12.00
Green Polyethylene Postal Bags 17x22 Inch Send large items with confidence using our 17 x 22 inch green mailing bags. These spacious... Full details

17x22 Inch Green Plastic Postage Bags - Mailing Bags for Parcels

Regular price £12+

Blue Mailing Bags - Bags for Parcels 15x18 Inch
£10.00
Blue Polyethylene Postal Bags 15x18 Inch Our 15 x 18 inch blue postage bags are designed for slightly larger items such as... Full details

15x18 Inch Blue Plastic Postage Bags - Mailing Bags for Parcels

Regular price £10+

Purple Mailing Bags - Bags for Parcels 12x16 Inch
£7.00
Purple Polyethylene Postal Bags Our Purple Mailing Bags are made from low-density polyethylene (LDPE), making them a durable and eco-friendly option for... Full details

12x16 Inch Purple Plastic Postage Bags - Mailing Bags for Parcels

Regular price £7+

Grey Mailing Bags - Polybags 9x12 Inch
£5.00
Grey Mailing Bags 9x12 Inch  For smaller items that still require sturdy packaging, our 9 x 12 inch grey mailing bags are... Full details

9x12 Inch Grey Plastic Postage Bags - Mailing Bags for Parcels

Regular price £5+

Durable Mailings Bags in Different Colours

Our durable mailing bags are available in a variety of colours to suit your preferences or branding needs. Made with tear-resistant materials, these bags keep items secure throughout transit. The lightweight design helps reduce postage costs without compromising on quality. With options in different shades, you’ll find the perfect match for reliable, attractive packaging that stands out.

  • 50 Micron thick
  • Eco-friendly,100% recyclable material composition
  • Secure closure with peel seal
  • Tear resistance and Waterproof
  • Light Weight
  • Multiple Sizes and Colours: grey, green, pink, purple, and blue
  • Self-sealed with the self-adhesive strip

What size is a mailing bag?

Mr Bags proudly offers a versatile collection of postal bags that cater to diverse requirements. Our sizing covers all dimensions, from small to large mailing bags, making it easy to choose the best fit. This ensures each parcel is secure, avoids extra postage costs, and guarantees items arrive as expected. 

  • 4.5 x 7 Inch
  • 6.5 x 9 Inch
  • 9 x 12 Inch
  • 10 x 14 Inch
  • 12 x 16 Inch
  • 15 x 18 Inch
  • 10 x 14 Inch
  • 17 x 22 Inch

Read more about what you can use mailing bags of different types and sizes for

Grey Mailing Bags For Various Uses

Our grey mailing bags are versatile, and designed to suit a wide range of packaging requirements. Perfect for businesses and individuals alike, they are ideal for shipping documents, clothes, or gifts. With strong, recyclable materials and a peel-seal closure, these bags offer a secure and eco-friendly solution for any type of delivery. Choose grey for a sleek, understated look that’s both practical and stylish.

Buy Cheap Plastic Mailing Bags

Save time and money by purchasing our cost-effective plastic mailing bags online at Mr Bags. We offer competitive prices and reliable quality, with various sizes to suit every shipping need from 0.01p ONLY. Enjoy fast delivery, eco-friendly materials, and excellent customer support—all from a trusted online supplier.

Where to buy mailing bags?

As a premier packaging supplier, Mr Bags offers an extensive range of grey mailing bags tailored to suit various requirements. Our collection features multiple sizes to accommodate a plethora of items. From smaller mail bags measuring 4.5x7 inches to larger mailing bags such as 13x19 inches.

Are mailing bags recyclable?

Yes, mailing bags from Mr Bags are recyclable, especially those made from polythene. They can be recycled at designated recycling points, helping reduce waste and support eco-friendly shipping practices.

What size postage bags for clothes?

Ideal mailing bags for clothes sizes are 10x14 inches, 12x16 inches, or 15x18 inches, providing ample room without compressing items while keeping them secure and lightweight for cost-effective shipping. All sizes are available at Mr Bags at the lowest price!

What is a mail bag called?

A mail bag, often called a mailing or parcel bag, is specially designed to securely transport items through the postal system, typically made from durable, tear-resistant polythene.