Contact us! Whatssapp: 0858-8561-5808 GEAR PROFILE: Fits a 15 laptop tablet, and accessories such as hard drives and cables. In addition, main compartment fits books, binders and file folders. MATERIALS: Exterior: Protective fabric exterior is durable and water-resistant, plus fabric underside has a polyurethane coating for even greater water resistance, 100% cotton canvas, antique nickel-plated metal hardware, high quality YKK #34; zippers, nylon webbing, 3-ply bonded nylon thread. Interior: 210D silver-toned nylon, 2x polyurethane coated nylon 210T seam-sealed taffeta rain cover, 3-ply bonded nylon thread.