Envelopes

Blake Purely Packaging C4 320 x 240 mm Polypost Security Polythene Mailing Bags (SE920/100) White - Pack of 100 Tear Resistant Perfect for use with Confidential Mail Peel & Seal closure for extra security Super secure Tamper evident Blake Purely Packaging C4 320 x 240 mm Polypost Security Polythene Mailing Bags (SE920/100) White - Pack of 100