The ferrari rway sp easyfix is a fun and comfortable group 2 3 high back booster which is suitable for children between 15kg33lbs and 36kg79lbs approx 4 years to 12 years used forward facing it is installed in the car using retractable isofix connectors which attach to the vehicle isofix points providing a secure fit your child is then secured in the seat using the vehicle three point adult seat belt this official ferrari car seat has a height adjustable head support with side impact