Triplast 10 x A3 C3 Manilla Hard Board Back Envelopes (457x324mm) Cardboard Backed with Peel & Seal Strip Rigid Do Not Bend for Mailing Posting Shipping Storing Documents

Triplast A3 Envelopes Board Back Manilla Pack of 10 offers rigid, protective envelopes with a kraft front and sturdy board back to keep documents flat and safe. Featuring a peel&seal closure and“Please Do Not Bend” warning, they’re fully recyclable and made from 100% recycled material.