Flight Approved Travel Backpack: This backpack meets the size requirements of most airlines, and you can put the backpack under your seat or on the overhead luggage rack. The outer dimension of this backpack is 11.8 x 6.3 x 18.1 inches (L x W x H) and weighs 2.8lb..Update Convertible Backpack: This backpack comes with removable shoulder strap, adjustable backpack straps and top handle. Can be used as a backpack, shoulder bag or handbag. Padded back panel and adjustable, padded shoulder straps and adjustable sternum strap for a more comfortable carry.. & : Backpack is made of waterproof and durable nylon fabric and high-density nylon lining for better tear resistance. This backpack is perfect for hiking, traveling, business, college, outdoor activities, sport. It is a perfect gift for both men and women..: This travel backpack can hold 16-inch laptop, books, clothes, shoes, A4 size folder, iPad, water bottle, etc. One large compartment, 1 separated breathable shoe compartment, 3 front pockets and 2 side pockets. The laptop, iPad compartment with padded liner, protects the laptop well..With USB Charging Port & Trolley Sleeve: It is convenient to charge your device through the power bank and external USB port. The fixed strap design on the back enables it to be placed on the luggage easily. NOTE: The backpack does not include a power bank.