Assorted Blue Polyethylene Postal Bags
Our Blue Mailing Bags come in an assorted pack of 100 containing 25 of each of the following sizes: 17x22 Inch, 15x18 Inch, 12x16 Inch and 10x14 Inch. They are made from low-density polyethylene (LDPE), offering a light weight, durable and eco-friendly choice for shipping small parcels securely.
These blue postage bags are designed for recycling by simply removing the glue strip before recycling to ensure proper processing. They are sized to fit the Royal Mail small parcel service, providing a straightforward postal experience while keeping costs low.
The bright Blue colour can help small businesses match their branding colours but without the extortionate cost of custom mailing bags.
Blue Mailer Bag You Can Trust
These Blue bags for parcels are available in several sizes making them ideal for sending shipments of all sizes. Also available in a range of popular colours like grey, blue, and more. The thin but durable design gives you the peace of mind that the parcel will arrive where it is supposed to go without any worrying of tearing or ripping.
It is important for small businesses to trust their packaging supplies, reducing customer complaints and giving a strong impression of your brands services and products.

Blue Shipping Bags Size Guide
Our blue mailing bags are available in different sizes for every need. Check the table for size guide.
Size Guide | Size in Inches | Centimetres | Compared to Paper Sizes | Best For | Number in Each Pack |
---|---|---|---|---|---|
Medium | 10x14 inch | 25.4 x 35.5 cm | Slightly smaller than A3 | Light jackets, books, larger documents | 25 |
Medium | 12x16 inch | 30.5 x 40.6 cm | Close to A3 | Sweaters, jeans, medium plush toys | 25 |
Large | 15x18 inch | 38.1 x 45.7 cm | Between A2 and A1 | Multiple garments, larger plush toys | 25 |
Large | 17x22 inch | 55.8 x 43.1 cm | Close to A1 | Bedding sets, large textiles, posters | 25 |
Blue Postage Bags Wholesale
Looking to buy in bulk? Mr Bags offers blue postage bags wholesale at unbeatable prices, perfect for businesses of all sizes. Whether you're shipping clothing, accessories, or everyday items, our wholesale packs provide a reliable, cost-effective solution for regular dispatch.
If you need a bigger pack of one size, we offer blue mailing bags in packs of 100 to 1000+. Check out now and get better prices on bulk purchases.
All Round Packaging Solutions
At Mr Bags, we specialise in a wide range of packaging supplies, including cardboard boxes, packing tape and different types of postage bags like biodegradable mailing bags and more. We dedicate our time in supplying high quality packaging supplies at an affordable price with no minimal order quantities helping you maximise profits.
Water Resistant
The Blue plastic mail bags are designed to be splash and weather resistance, ensuring the contents arent destroyed during transit from the bad British weather. This feature is important and makes a great alternative to cardboard boxes that can become weak and misshapen when wet.

Made to Last
Our blue plastic bags are manufactured using strong and flexible plastic material that is tear resistant and puncture-proof. These large parcel bags are built to withstand rough handling from courier companies making sure your item's arrive undamaged.

Self Seal Adhesive Strip
Each blue shipping bags have a extra sticky self-seal adhesive strip that securely seals your package, once it is a sealed it cannot be opened and resealed making them tamper evident. This not only keeps your package secure but it helps reduce theft and fraudulent claims.

Lightweight Material
The importance of a lightweight mail bag offers significant benefits; the main one being reduced shipping costs compared to other shipping solutions. The lightweight nature of these shipping bags not only makes them more economical but also environmentally friendly by minimising the overall shipping weight.
