BOX USA Poly Mailer Envelopes, 11' x 13' x 4', White, Self-Seal with Tear Strip, Gusseted, Waterproof and Puncture Resistant, for Shipping Bulky Items, Books and Catalogs, Pack of 100

11" x 13" x 4" Expansion Poly Mailers from BOX USA / Partners Brand provide strong polyethylene protection for products during shipping. The tough outer layer is puncture, moisture, tamper and tear resistant; labels, ink and stamps adhere well to the durable surface. High-strength seams help keep contents intact even if over-packed. Mailers feature a perforated tear strip for easy opening, a gusseted bottom for thicker items such as binders, books and catalogs, and a heavy-duty white outer surface with a silver inner lining. Self-adhesive closure; unpadded; quantity 100 per pack. These mailers are designed for reliable, professional shipping and packing of bulky and non-fragile items.

• The outer surface of the mailer is white and the inner lining is Silver
• High strength seams will keep contents intact even if over Packed
• Puncture, moisture, tamper and tear resistant
• Features a gusseted bottom to allow for thicker items such as binders, books and catalogs
• Strong polyethylene mailers protect products from moisture during shipping