From Bugaboo, these car seat adapters feature: Travel seamlessly from car to stroller with the Bugaboo Butterfly 2 car seat adapters This accessory features a click-and-go attachment system compatible with the Bugaboo Turtle Air Shield (sold separately) and other brands Contains an adapter for a car seat with a Maxi-Cosi® interface Can be used on the Bugaboo Butterfly 2 Imported.