WEISHENGDA 18 inches Wheeled Rolling Backpack for Boys and Girls School Student Books Laptop Travel Trolley Bag, Blue

Lightweight. Only 5.5 lbs, 10% lighter than others. The rolling backpack can hold 35L, suitable for both adults and teenagers.
Plenty of pockets. 35L main compartment can accommodate a lot of books and articles for daily use. Outer pocket can hold daily necessary stuff like keys, pens, flashdrivers.
Attractive appearance. 600D polyester printing fabric, classic design and fits well.
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.
Thoughtful details. Thick wide shoulder straps, cotton handle on top, humanization padded back. The backpack could keep your books safe from the water dripping.