11 x 13 x 4 Expansion Poly Mailers 100/Case 12x12 box Made from thick

Made from thick

Minimum 35% post-consumer recycled fiber

Constructed of heavy duty black plastic that is made to last

Also available in regular sizes both in color and clear plastic bins

Colorful envelopes make your mailing stand out

11 x 13 x 4 Expansion Poly Mailers 100/Case 12x12 box Made from thickFeatures a gusseted bottom to allow for thicker items such as binders, books and catalogs. Puncture, moisture, 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, ink and stamps adhere well. Self seal closure with a double perforation tear strip for easy opening.