Redi-Strip Poly Expansion Mailer, #5 1/4, Square Flap, Redi-Strip Adhesive Closure, 13 x 16, White, 100/Carton Flexible poly and expansion means everything fits. No matter what the contents include, the durable, windowless mailers will safeguard against inclement weather and handling. Once the Peel & Seal strip is removed, fold down the self-sealing flap for secure closure. Large box comes in handy for busy offices.
