Specification Brand : Stamps.com BulletPoint : Features 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. Color : White ItemName : Expansion Poly Mailers, 10" x 13" x 2", White, 100/Case ItemTypeKeyword : envelope-mailers Manufacturer : Stamps.com NumberOfItems : 100 PackageLevel : unit PartNumber : EPM10132 ProductDescription : Strong, polyethylene mailers protect products from moisture during shipping. ProductSiteLaunchDate : 2025-04-24T04:54:02.783Z Size : 10" x 13" x 2" SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 100 UnspscCode : 44121503