The Britax Convertible Car Seat Travel Cart is a convenient alternative when traveling through airports with your car seat and child in tow. Car seats attach effortlessly using car seat Latch connectors (they're the same connectors that secure your car seat tightly to your vehicle). It's compact fold allows it to fit into small spaces, including most airplane overhead compartments. With its durable steel frame design and easy-glide wheels, Britax Car Seat Travel Cart can be used with children harnessed in car seats for short travel distances. + Raised platform protects car seat from contacting ground. + One-hand telescoping handles. + Accommodates all Britax Convertibles and Harnessed Booster seats.