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