Blue Polyethylene Parcel Bags 10x14 Inch
Our 10 x 14 inch blue mailing bags are made from lightweight, low-density polyethylene (LDPE), making them a smart and eco-conscious choice for sending small parcels. These bags are fully recyclable—just remove the glue strip before disposal.
Their compact size fits perfectly within Royal Mail's small parcel guidelines, helping keep your postage costs down. The vibrant blue colour also gives your packaging a clean, professional look without the cost of custom printing.
Ideal for: lightweight items like tops, kids’ clothing, notebooks, or phone accessories.
Postal Bags You Can Trust
These blue mailing bags are ideal for both personal and business shipments. Available in several colours including Blue, blue, grey and more. The various sizes we offer help make shipping a smooth and reliable experience everytime and the unique colours helping to streamline the sorting and dispatch processes as a clear identifier.

Pink Mailing Bags Size Guides
Size Guide | Size in Inches | Centimetres | Compared to Paper Sizes | Best For |
---|---|---|---|---|
Medium | 10x14 inch | 25.4 x 35.5 cm | Slightly smaller than A3 | Light jackets, books, larger documents |
Medium | 12x16 inch | 30.5 x 40.6 cm | Close to A3 | Sweaters, jeans, medium plush toys |
Large | 15x18 inch | 38.1 x 45.7 cm | Between A2 and A1 | Multiple garments, larger plush toys |
Large | 17x22 inch | 55.8 x 43.1 cm | Close to A1 | Bedding sets, large textiles, posters |
Comprehensive Packaging Solutions
At Mr Bags, we stock an extensive selection of packaging supplies, including cardboard boxes, adhesive tape, and various types of postage bags like paper bags and more. We are dedicated to providing high-quality, affordable solutions that support small businesses in dispatching their parcels efficiently and cost-effectively. Our commitment ensures you can send your items on time while keeping overheads low.
Water Resistant
Say goodbye to soggy parcels. Our blue mail bags are water-resistant and ideal for UK weather. They’re built to keep your items dry and safe, while offering a reliable alternative to cardboard that may fail in the rain.

Made to Last
Our blue postage bags are built from tough, flexible plastic that’s both tear-resistant and puncture-proof. They’re designed to handle the demands of shipping and protect your items from damage caused by rough handling.

Self Seal Adhesive Strip
You can count on the self-adhesive closure in our blue postage bags. It’s tamper-proof and super secure, helping protect the integrity of your shipment from sender to receiver.

Lightweight Material
Save on postage and reduce your packaging weight with our light blue parcel bags. Their slim, flexible design makes them a more eco-friendly and economical choice compared to boxes or padded mailers.

Royal Mail 24 Tracked
Dispatched same day if ordered before 5 pm Monday to Friday. Please allow up to 1-2 days for delivery.
£1.99
DPD Next Day
Dispatched same day if ordered before 3 pm Monday to Thursday. Not available to Scottish Highlands & Islands.
£4.99
Free on orders over £100