Purple Polyethylene Postal Bags 12x16 Inch
The 12 x 16 inch Purple Mailing Bags strike the right balance between size and function. Crafted from tough LDPE plastic, they offer excellent protection from moisture and handling while staying lightweight and eco-friendly.
Use them to ship jumpers, books, beauty sets, or medium-sized gifts. Their size fits neatly within Royal Mail small parcel guidelines, and their strong self-seal strip makes packing fast and secure. The bold purple tone adds a touch of colour to your packaging without extra branding costs.
Various Sized Purple Post Bags
Perfect for personal or commercial use, these Purple mailing bags are available in various colours including grey, blue, and Purple. With a wide selection of sizes, they make packaging and shipping simple and efficient, while the standout colours help organise deliveries quickly during dispatch.

Purple 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 |
All Round Packaging Solutions
At Mr Bags, we stock a wide range of packaging supplies, including cardboard boxes, packaging tape, and different types of postage bags like biodegradable mailing bags and more. We are dedicated to providing high-quality, affordable solutions that support small businesses in getting their parcels sent out efficiently and cost-effectively. Our commitment ensures you can send your items on time while keeping costs low for maximum profit.
Water Resistant
Rainy conditions are no match for our purple plastic mail bags. Their water-resistant surface helps prevent moisture from soaking through, making them a smart alternative to paper or cardboard packaging.

Made to Last
When you need dependable packaging, our durable purple mailing bags deliver. They’re crafted from high-strength plastic that resists rips, helping ensure your parcels arrive looking as good as when they were sent.

Self Seal Adhesive Strip
Our purple mailing bags come with a reliable self-sealing strip that locks the contents inside. It can’t be opened and resealed, helping to prevent tampering or unauthorised access during delivery.

Lightweight Material
Designed for speed and savings, these purple plastic postage bags are made from lightweight materials that help cut down on shipping fees while still offering strong protection.

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