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. Seam Type: Weld; Flap Type: Square; Trade Size: #4 1/2; Security Tinted: No.