Social Stationery, Envelopes

Blake Board Back C5 Envelopes Peel and Seal [Pack of 125] Blake (C5) 120g/m2 Manilla Board Backed Peel and Seal Pocket Envelopes (Manilla) Pack of 125. Heavy duty board back envelopes in white and manilla, made using 1000 micron backing board and a heavyweight face paper to ensure protection when posting bendable items.