Redi-Strip Poly Expansion Mailer, #4 1/2, Square Flap, Redi-Strip Adhesive Closure, 11 x 13, White, 100/Carton

Excellent for shipping large orders, Qwith an expansion to accommodate overstuffing. It's good practice to keep a stock on hand, in the event that one is needed. Between the open end design and self-sealing closure, flexible poly mailers streamline the process to get deliveries out on time.