Board Envelopes

Browse our full range of board envelopes at Envelopes.co.uk, designed to protect important documents, prints and bulky items during delivery. Whether you need rigid mailers, board back envelopes or all-board designs, you’ll find high-quality options that make mailing easier and more reliable.

Our Manilla Rigid Board Mailers are made from durable 400gsm corrugated board with a natural kraft finish. Featuring peel and seal closures, expanding capacity and a red rip strip for easy opening, they are ideal for thicker contents and come in wallet and pocket formats.

The White All Board Envelopes offer a premium 350gsm board construction with a professional white finish. These envelopes provide excellent rigidity and include a red rip strip for effortless access, making them perfect for sending paperwork or valuable items securely.

For lightweight strength and added protection, our Manilla Board Back Envelopes feature a 120gsm kraft paper front with a 400gsm backing board to prevent bending. These are available in popular sizes such as DL, C6, C5 and C4, and are finished with a convenient peel and seal strip.

Ideal for businesses, creative professionals and anyone needing protective postal packaging, this collection offers secure and dependable results.