Brand new without box The safest way for a child to travel is sitting in their own car seat; Our car seat roller eliminates the inconvenience of transporting a child seat with an easy to maneuver wheeled dolly; Not compatible with: Britax IsoFix, Britax Pinnacle, Britax Parkway Booster, Combi, Evenflo Comfort Touch ,Graco Smart Seat All in One or Safe seat or Booster or Contender, Maxi Cosi Tobi, Recaro, Safety 1st Intera, Snugli 2in1 Booster, European IsoFix seats, Infant or rear facing car Silicone gel wheels, you'll be able to easily stroll around the airport with child in tow; You wont need to lug around a heavy stroller, and you wont have to worry about carrying an even heavier child; Buckle them into their kid seat, strap the child seat to the Airport Roller, and stroll through the airport like you did Compact design folds into a small 13" x 10" x 4" square that will easily fit under your seat, or in the overhead compartment; Weighing in at 3 pounds, you wont have any difficulty lifting it in the tight quarters of an airplane; A ridged platform ensures a solid connection with the carseat placed on top, and the handle is not only collapsible, but made of aluminum for maximum strength with minimum weight With a push of a button, the entire child seat roller collapses into a compact size, easy to move and stow; Setting up the childseat on the cart is as easy as placing the seat on the roller, and pulling the seatbelt strap (included) through the child seat