LARGE CAPACITY & TONS OF POCKETS - The rolling backpack for school has 3 MAIN pockets & 9 INNER small pockets & 2 SIDE pockets & 2 BACK pocket. Padded laptop compartment with sleeve holds up to 17.3 inch laptop, as well as 15.6 inch, 14 inch and 13 inch Macbook. 45 L large main compartment roomy hold books for school or clothes for trip. Organizer Compartment with many pockets make your items organized; Mesh water bottle pockets at sides; Anti theft back pocket for protect your belongings. DIMENSIONS AND DURABLE MATERIAL - Size of adults' rolling backpack: 19.68x13.38x7.08 inch. The backpack with wheels can freely adjust the length at your needs with 20 inch (50cm) Aluminum Top Handle. Wheeled backpack for adults well Made of heavy-duty water resistant fabric with metal zippers. Durable adjustable aluminum telescoping handle & reliable smooth double-row rubber wheels. Adjustable padded shoulder straps with Sturdy Metal Hooks; Waterproof bottom panel Corner guards and a kick pl