The perfect small cardboard mailer envelope for sending online orders. The mailer wallet style of these envelopes help you to quickly and easily pack any small or flat item with ease, and the strong 400gsm all board back and front offers exceptional rigidity.

A strong and stiff solid board cardboard mailer envelope that can be used to send A4 books and a range of online orders. Capacity envelopes like these are fast and easy for posting products through the post or courier system.

A Maximum large letter envelope made from strong and stiff solid cardboard that can be used to send books and a range of online orders via Royal Mail as a Large Letter.

Recyclable oversize solid board cardboard envelope mailer for sending small online orders and larger books. These biodegradable & compostable book envelopes are made from stiff cardboard with a very high recycled fibre content, a great eco-conscious choice.

A3 sized solid board cardboard mailer envelope for mailing large books, A3 sized documents and posters. 400gsm all board courier envelopes like these are great for helping to keep large flat items safe and crease free.

The Tufpac® A5 Capacity Book Mailer is a premium 400gsm all-board cardboard envelope measuring 180 x 235mm — ideal for posting books, DVDs, CDs, photos, and greetings cards. The capacity crease design expands to 50mm depth while remaining Royal Mail Large Letter compatible, keeping postage costs low. Features a high-tack peel-and-seal closure and easy-open tear strip. No tape needed. Supplied flat-packed in a box of 100. Fast UK delivery from Datec, Coventry.