The Silver Cross Dune/Reef Universal Car Seat Adaptors are compatible with all premium car seat brands. Simply clip the adaptors onto the Dune or Reef chassis to create a complete travel system. Compatible Car Seats : Maxi Cosi Pebble Plus i-size BeSafe iZi Go Modular i-size Cybex Aton Q i-size Cybex Cloud Z i-size Cybex Cloud Z2 i-Size Maxi-Cosi Coral i-Size Maxi-Cosi Coral 360 Britax Baby-Safe iSense Britax BabySafe i-Size 5Z Maxi Cosi Pebble 360 Maxi Cosi Cabriofix iSize Nuna Arra Next