This adapter will connect your Bugaboo Butterfly to the following Car Seats:

Bugaboo Turtle One by Nuna, Bugaboo Turtle Air by Nuna, Clek Liing, Cybex Aton 2, Cybex Aton Q, Cybex Cloud Q, Kiddy Evolution Pro2, Maxi-Cosi Mico 30, Maxi-Cosi Mico, Nuna Pipa, Nuna Pipa Lite, Nuna Pipa Lite LX, Nuna Pipa RX, Nuna Pipa next