Laptop Backpack Material: High quality waterproof scratch-resistant Nylon (but not completely waterproof) & Leather Decoration & Smooth Metal Zipper.Laptop Backpack Material: High quality waterproof scratch-resistant Nylon (but not completely waterproof) & Leather Decoration & Smooth Metal Zipper.College Backpack Size: 15x 11x 6 inches (L*H*W);16.5 Liters. Weight: 0.686 KG. Laptop compartment fits laptops up to 13 inches (measuring by screen length) and depth of 1 or less.Can used as College backpack, hiking daypack, Laptop Backpack,travel bag, work bag,etcThe Backpack Ergonomic design:Made of Nylon Fabric, its durable, breathable. Soft shoulder straps provided a good shoulder protection.Use it as a handbag by the top handle when you dont want to carry it on the back. The padded and adjustable shoulder straps and back for extra comfort. The extended straps can be buckled so that the straps will not loosen. Dual padded, reinforced, adjustable shoulder straps provide optimum comfort and fit snuggly around your shoulders allowing .