The Babyauto Konar Group 123 Car Seat is a high back booster that grows with your child from 9 months (approx.) until they no longer need a car seat. Suitable from 9-36kg, Konar adapts from a Group 1 car seat with a 5-point harness, to a harness-free high back booster suitable from 18kg, to a Group 3 booster