G.F Smith Accent Antique Natural 100% Recycled PCW Envelopes DL Peel and Seal Wallet...
Blake Purely Environmental DL 110 x 220 mm 35 x 90 mm 90 gsm Flora Recycled Window Self Seal Wallet Envelopes (RE4360) Natural White - Pack of 500 : Amazon.co.uk: Stationery & Office Supplies
DL Envelope Natural 100 Pk eco-craft
Evolve DL Recycled Window Envelopes Self Seal White 90gsm Pack of 1000 - Hunt Office UK