Redi-strip Poly Expansion Mailer, #4 1/2, Square Flap, Redi-strip 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. Seam Type: Weld; Flap Type: Square; Trade Size: #4 1/2; Security Tinted: No.