Envelopes

Blake Purely Packaging C3 (A3) 450 x 324 mm Board Back Pocket Peel & Seal Envelopes (5200) White - Pack of 100 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 shelf... Blake Purely Packaging C3 (A3) 450 x 324 mm Board Back Pocket Peel & Seal Envelopes (5200) White - Pack of 100