Made from lightweight 100 percent polycarbonate, a highly impact-resistantplastic. Features a unique top lid opening. Fits in most overheads ofinternational airlines. Features a large front pocket with built-in paddedsleeve for up to 15.6 inch laptop. Main compartment expands 2 inches. Silentrunning double spinner wheels. Telescoping handle has been designed to fit inthe palm of the hand. Recessed TSA-accepted combination lock