The maxi cosi 2waypearl i size car seat can be used in a rearward facing and forward facing position if desired suitable from 67cm to 105cm 40approx 6 months to 4 years41 the seat is initially used rearward facing and can continue to be used this way until your child reaches a height of 105cm 40approx 4 years old41 travelling in a rearward facing position offers improved head and neck protection for your child in the event of an accident the maxi cosi 2waypearl can also be used