Groups 1 to 3. Suitable for child from 9 to 36kg (approximately 9 months to 11 years). Compatible with 3 point seat belts only. Integral harness with individual tensioners for enhanced safety and quick release buckle, harness sleeves and buckle pad. Arm rests. Height adjustable head support. Cover can be hand washed. This does not convert to a booster cushion. Use with back rest to provide protection up to 36kg. Helpline number 0116 284 4910. Complies with safety standard ECE R44 04 standard.