MaH workpack used self-developed fabric that's more waterproof, tear-resistant, wear-resistant, and antifouling than ordinary polyester, this 600D polyester bag features a secure back zipper pocket, padded 15-inch tablet sleeve, adjustable padded shoulder straps, a fully padded back panel, and a reinforced grab handle with a built-in keychain for ultimate durability and convenience. Ultra-durable 600D polyester build Secure back zipper & padded tablet sleeve Adjustable padded straps for comfort Reinforced handle with interior keychain