Park Poly Expansion Envelopes, 13 X 16 X 2 Inches, White, 100, Pack Of 100

Details:

Open-end poly expansion mailers are durable and moisture-resistant. Ideal for bulky mailings. High-density polyethylene construction is far stronger than paper and a convenient redi-strip closure. Simply peel strip off and fold flap closed. Pressure-sensitive gum forms permanent bond.,Moisture and rip resistant poly mailer is far more durable than paper and weights half as muchredi-strip self-adhesive flap produces a strong sealconvenient tear strip makes opening mailer easyconvenient redi-strip closure