Come and see our amazing products. This large capacity convertible casual tote backpack is made of Waterproof nylon material. Dimensions: 16.5"L x 4.7"W x 12.2"H. Weight: about 1 Pounds. Built-in USB port design allows you conveniently to charge cell phone by connecting power bank without opening backpack on the go. Made of water resistant, durable and breathable nylon fabric. Dual padded, reinforced and adjustable shoulder straps provide optimum comfort and fit snugly around your shoulders allowing. The laptop lining can put an 15.6" laptop. Outer: 2 front zipper pocket, 2 side pockets and 2 front pockets. Wide Open Design, rectangular opening providing easy access to the items at the bottom. Not be too bulky but roomy for everything you need. Pls confirm with us about the packing info, stock color and exact production time before placing your order.