Envelopes

Triplast 100 x A3 C3 Manilla Hard Board Back Envelopes (457x324mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents A MAILING ESSENTIAL: Pack of 100 x C3 rigid mailers designed to contain unfolded A3 paper (or A2 paper folded in half) - perfectly sized for posting & storing flat posters, artwork, sketches, paintings, blueprints, calendars & legal documents WILL... Triplast 100 x A3 C3 Manilla Hard Board Back Envelopes (457x324mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents