Multi-Functional Trolley Backpack:A black 29.1-liter trolley backpack with wheels, an adjustable metal handle and a padded laptop compartment. Choose rolling, backpack or hand carrying according to the route, with a listed 2.2 kg bag weight to include in your packing plan. Nylon outer with polyester lining Listed 29.1 L capacity; laptop reference up to 15.6 in Rolling, backpack or hand carry; listed weight 2.2 kg Change the carrying route between stopsRubber wheels and the adjustable handle provide the rolling arrangement, while the backpack and handbag formats offer alternatives when the route changes. The padded laptop compartment keeps a device position within the main packing layout. Roll on a suitable surface The wheels and adjustable metal handle provide a trolley route for the packed bag. Confirm handle height and wheel setup, and choose a carrying method suited to steps or uneven ground.Switch to another carrying format Backpack and hand-carry options give alternatives away from a rolling surface. Check strap adjustment and load guidance before carrying; three formats do not establish universal comfort.Plan the laptop compartment The sleeve is described for a 15.6 in laptop, giving the device a separate place in the bag. Compare actual compartment measurements with your computer rather than relying only on its screen size. Outer and lining Nylon outer; polyester lining Color Black Listed capacity 29.1 L Listed weight 2.2 kg Laptop reference 15.6 in; internal dimensions unconfirmed Carry arrangements Backpack, handbag or rolling trolley Rolling features Rubber wheels; adjustable metal handle; rubber pads at base Cover Zippered protective/anti-blocking cover described; exact placement and operation should be confirmed Choose your configurationConfirm overall dimensions, handle range, straps, wheel arrangement and laptop-sleeve measurements. Include the bag’s 2.2 kg reference in your packed weight. Follow load and cover instructions; no specific airline allowance is established by the trolley format. Can it be carried without rolling? Backpack and hand-carry formats are described alongside the trolley arrangement. Confirm the actual strap and handle setup.Does the 29.1 L capacity establish carry-on approval? No. Compare actual packed dimensions and weight with the allowance for your journey.