Envelopes

Triplast 500 x C4 Window Self Seal Security Envelopes (Size: 324x229mm) | Address Window, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use CONTENTS: Pack of 500 White Window Mailing Envelopes | SIZE: C4 | LENGTH: 324 mm / 12.76 in | WIDTH: 229 mm / 9.02 in | THICKNESS: 90 gsm | MADE in the UK ENHANCED SECURITY: These envelopes feature a see-through window to display essential... Triplast 500 x C4 Window Self Seal Security Envelopes (Size: 324x229mm) | Address Window, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use