12 x 15 1/2" (50 Pack) Poly Mailers with Tear Strip 36x21x20 corrugated box 36" Singleface is rolled cardboard

36" Singleface is rolled cardboard sometimes referred to as b flute

Bags are both moisture and puncture resistant

Large anti static bubble 24" wide and 250' long

Lighter weight than most other mailers to save on shipping costs

12 x 15 1/2" (50 Pack) Poly Mailers with Tear Strip 36x21x20 corrugated box 36" Singleface is rolled cardboardStrong, polyethylene mailers protect products from moisture during shipping. Mailers are puncture, water, tamper and tear resistant. High strength seams will keep contents intact even if over packed. The outer surface of the mailer is white and the inner lining is silver. Labels stamps and ink adhere well. Opens with a tear strip. Self seal.