ZUCA Flyer Travel Case, Black w Silver Frame Aluminum alloy frame that is light, super strong and rated to hold up to 300 lbs. - doubles as a built-in seat Removable, hand washable, replaceable insert bag is made from premium water resistant 1000 Denier Nylon 4-inch polyurethane wheels absorb shock and make for a seriously silent ride This bag meets FAA specifications for carry-on baggage Pack and stack with our 5 color-coded packing pouch system