Heavy 18 Lb Tyvek Open End Expansion Mailers, First Class, #13 1/2, Square Flap, Redi-strip Closure, 10 X 13, White, 100/ct 2.63" The string-and-button closures keep the

The string-and-button closures keep the lids closed securely

The self-winding mechanism helps prevent the tape from loosening

BIC Wite-Out Brand correction fluid makes it easy to eliminate typos and other minor errors in handwritten and printed documents

Just print out the cards

Heavy 18 Lb Tyvek Open End Expansion Mailers, First Class, #13 1/2, Square Flap, Redi-strip Closure, 10 X 13, White, 100/ct 2.63" The string-and-button closures keep theExpandable mailer made with DuPont Tyvek material delivers the best possible protection at a shipping cost saving weight. Inserting and removing contents is easy because of its horizontal, open side orientation. Self adhesive Redi Strip closure provides a secure, peel and press seal. Clean, crisp look makes a professional impression.