C3 envelope Blake

Make a difference to your mail with these Purely Packaging Board Back envelopes by Blake Heavy Duty Board Back to protect certificates, photographs, prints and more Strong Peel & Seal closure for ease of use, additional security and longer

Blake Purely Packaging oil black peel and seal padded bubble envelopes. C3 size, 450x324mm, pack of 50.

Blake Purely Everyday manilla self-seal pocket envelopes measure 450 x 324 mm and are made from 115 gsm paper. They come in a pack of 125.