Come and Check Our Promo Solutions.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. Built-in USB port design allows you conveniently to charge cell phone by connecting power bank without opening backpack on the go. (Power bank is not included). Inner main pocket: The laptop lining can put an 15.6" laptop. Outer: 2 front zipper pocket, 2 side pockets and 1 front pockets. Wide Open Design, rectangular opening providing easy access to the items at the bottom. 16.1'' L x 12.2''W x 4.7''H. Pls check inventory and detailed info with us before placing your orders.