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