Lightweight. Only 4.8 lbs, 10% lighter than others. The rolling backpack is suitable for adults and college.Plenty of pockets. Thick foam padded compartment of this rolling backpack is big enough for 15 inch laptop. Outer pocket can hold daily necessary stuff like keys, pens, flashdrivers.Smooth rod. Aluminum alloy rod can be used in rainy days. Passed 10000 times move up and down tests, twice as other rods can bear.Convenient design. High-density PP unidirectional wheels. Special back design, turn down the back cushion to cover the wheels to keep clothes clean on your back.Thoughtful details. Thick wide shoulder straps, cotton handle on top, humanization padded back. The backpack could keep your books safe from the water dripping, but you'd better keep it from continuous exposure to a heavy rain. AboutRecommended to college, university, school students, adults, business travelers to use it as luggageInformation - SIZE: 19H x 14L x 10W inches, 4.8lbs