Universal to ProFix Car Seat Converters With this Converter adaptor, your Pro-fix compatible car seat* will also fit pushchairs and chassis with Universal Car Seat fixing points. Features: It allows Jané, Concord or Be-cool Pro-fix compatible car seat* to fit all buggies with Maxi-Cosi or Universal Car Seat fixing points. Compatible with the following JANÉ car seats: Koos, Koos i-Size, iKoos, Groowy Nest Compatible with the following CONCORD car seats: Air.Safe, Air i-Size Compatible with the following BE-COOL car seat: Zero Note: *Not compatible with the Jané Matrix Light 2, iMatrix i-Size or Transporter carrycots due to their width, sorry. Instructions: First, attach these Universal to Pro-fix Car Seat Converter CLIPS to the Universal (or Maxi-Cosi) adaptors on the buggy, then lock the infant car seat into these clips. Please make sure that the adapters are securely connected to both the car seat and the buggy. Remove the adapters from the infant car seat before you use it in the car