The nania racer sp is a stylish and affordable group 123 high back booster which is suitable for children between 9 36kg approx 9 months to 11 years it is lightweight and portable and 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 and