Partners Brand Deluxe Literature Mailers, 12in x 12in x 3in, White, Pack Of 50

Mail out books and thick documents with these heavy-duty shipping supplies. The deluxe mailers boast strong side flaps and corrugated material to protect the contents. Made from 200-lb corrugated material for strength and durability. Protective side flaps and front outside tuck closure protect your items during delivery. Ships and stores flat to save space. Assembles in seconds without the need for tape, glue or staples.