Expandable fit made of rip and water resistant Tyvek material with self seal flap.Strong, lightweight envelopes made of Tyvek material are half the weight of heavy-duty paper envelopes; save on postage with every mailing.Envelopes made with Tyvek repel water and resist acids, bases, salts, rot, mildew and stains; perfect for storing taxes and essential papers in the home office.Redi-Strip envelopes seal tight to keep contents safejust pull and pressadheres without moisture for a clean, instant seal.Ideal shipping envelopes for clothing, books, binders and big bulky papers.
Heavyweight 18 lb Tyvek Open End Expansion Mailers, #13 1/2, Square Flap, Redi-Strip Adhesive Closure, 10 x 13, White, 100/CT
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