CRUISE 3.0 is constructed from lightweight and durable polycarbonate material while featuring a ridged exterior with a shiny twill texture for maximal protection and style. An integrated TSA-accepted combination lock enables to secure your luggage using your own 3-digit code and allows the Transport Safety Authority (TSA) to open your luggage using a special key, without damaging it. This carry-on has been designed to fit in the overhead compartment of most domestic airlines. The size and weight restrictions for carry-on luggage vary by airline, please see our Airline Carry On Guide or contact your airline for more information.