The Obaby group 2-3 high back booster incorporates 2 categories into one seat, creating a durable option which is great value for money. The car seat has a height adjustable head support and retractable arm rests, so the product grows with your child from 15kg all the way up to 36kg (33-79lb). Once your child has out grown their Group 1 car seat, the Obaby Group 2-3 high-back booster is this perfect way to keep them safe until they no longer need to use a car seat. The high-back booster keeps your child in an optimal position, whilst the car’s 3 point seat belt keeps them secure. Add to this the side impact protection that is found on all Obaby car seats and you can rest assured that your little one is as safe as they are comfortable. Features: Extremely well padded seat with side impact protection. Adjustable head support & retractable arm rests. Seat and child are secured using the vehicles 3 point seat belt.