The arsenal fc beline sp luxe is a stylish group 123 high back booster which is suitable for children between 9 36kg 40approx 9 months to 11 years41 it has a height adjustable head support with side impact protection which grows with your child it comes equipped with individual harness tensionners for extra security which ensure that both sides of the harness are tightened correctly and safely there are also chest and buckle pads for comfort and safety before purchase please check