Board Backed Envelopes & Do Not Bend Envelopes

Board Backed Envelopes are perfect for those sending important documents in the post which need to be kept flat. Designed to keep your items safe and well protected during transit, these board envelopes are manufactured with a rigid 1000 micron backing board and a 120gsm paper front. For extra peace of mind, our range includes Do Not Bend envelopes with their printed message which gives in-transit instructions to ensure your items arrive in the best condition. Available in a range of popular sizes in classic white and manilla, as well as a smart and sleek black for those who want to give their mail a stand-out professional edge - all of our hardback envelopes are supplied in boxes for neat and convenient storage.