From Bugaboo, this car adapter features: Travel seamlessly from car to stroller with the Bugaboo Butterfly car seat adapter The accessory features a click-and-go attachment system Plastic construction Measures 11.61" L x 4.53" W x 2.66" H 4-year manufacturer's warranty Not compatible with Bugaboo Butterfly 2 Car seat compatibility: Bugaboo Turtle Air Shield by Nuna, Bugaboo Turtle Air by Nuna, Bugaboo Turtle One by Nuna, Nuna Pipa, Nuna Pipa Lite, Nuna Pipa Lite LX, Nuna Pipa RX Clek Liing Cybex Aton 2, Cybex Aton Q, Cybex Cloud Q Kiddy Evolution Pro2 Maxi-Cosi Mico, Maxi-Cosi Mico 30 Imported.