The rolling backpack built-in separate fully-padded laptop pocket holds Laptops up to 15.6"Inch as well as 15 Inch, 14 Inch, and 13 Inch laptops. 36L Large Main Compartment fits books for school or clothing for an overnight trip. Organizer Compartment with many pockets makes your items organized and easier to find. Breathable and adjustable straps are detachable, so you can put the belts inside the zipper pocket, which is at the back, So they are not dragging while the backpack is rolling. It can be used as a backpack when going upstairs or roll when moving to a new area. 2 in 1 wheel backpack offers comfort and casual style for day-to-day use anywhere for vacation, travel, weekend getaway, occasional travel, business trip, or overnight trip. Travel Backpack well made of Durable Polyester Fabric with metal zippers Adjustable padded shoulder straps with Detachable Sturdy Hooks Durable Aluminum Telescoping Handle and Strong & reliable rubber wheels.