Delsey Luggage Helium Aero, Carry On Luggage, Hard Case Spinner Suitcase, Red 100% polycarbonate with glossy finish which makes the case extremely lightweight Four twin spinner wheels assuring multi-directional rolling and optional stability with zero weight on your hand Recessed "one-button" locking handle system with industrial grade aluminum tubes and molded ergonomic comfort grip handle The size and weight restrictions for carry-on luggage vary by airline. Please contact your airline for more information. If your bag is overstuffed, it may not be approved for carry-on use by the airlines. Integrated 3-dial tsa-accepted combination lock