Plenty of pockets. Thick foam padded compartment of this rolling backpack is big enough for 16in laptop. Outer pocket can hold daily necessary stuff like keys, pens, flashdrivers.Big storage capacity. Large multi-compartment can hold more belongings about 50L. The rolling backpack is suitable for college, university and travelers as luggage.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.Easy to clean. 400D nylon fabric, durable. Aluminum alloy rod can be used in rainy days. Passed 10000 times move up and down tests, twice as other rods can bear.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. Aboutwheeled rolling backpack luggage is suitable for college, university, nursing school, travelers or bookbag gift of son and daughter for schoolInformation - SIZE: Weight of 5.07lbs; Dimension of 20 x 14.6 x 8.3 inches- TRAVEL: Carefully designed to fit under the airplane seat- CAPACITY: 50L main compartment with a padded computer sleeve large enough to carry a 16" laptop, 2 side zipper pockets & front pocket with pencils, keys and flashdrivers- QUALITY: Durable 400D nylon bag, aluminum alloy rod can be used in rainy days- CONVENIENT DESIGN: Special back WHEEL COVER design, turn down the back cushion to cover the wheels to keep clothes clean on your back- Comfort thick wide shoulder straps should be put into the back CONCEALED POCKETS when the wheels working, if not, straps will damage out soon About Our Services We promise a full refund if there is any problem within 60 daysThank you for purchasing our products. When you receive the product, if there is any problem, please contact us. We promise to deal with it for you in time.