Envelopes

Triplast A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - 500 Cardboard Backed With Peel & Seal Strip - Rigid Do Not Bend for Mailing, Posting, Shipping & Storing Documents A MAILING ESSENTIAL: Pack of 500 x C4 rigid mailers designed to contain unfolded A4 paper (or A3 paper folded in half) - perfectly sized for posting & storing flat documents, certificates, magazines, reports, portfolios, contracts & photo prints... Triplast A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - 500 Cardboard Backed With Peel & Seal Strip - Rigid Do Not Bend for Mailing, Posting, Shipping & Storing Documents