The Nania Befix SP is a stylish and affordable Group 2-3 high back booster without harness which is suitable for children between 15kg/33lbs - 36kg/79lbs (approx. 4 years to 11 years). It has a height adjustable head support with side impact protection that grows with your child. Height adjustable head support with side impact protection. Lightweight and portable it is easy to move between cars. It is used with the back unit attached throughout to provide maximum protection. Lightweight and portable. The cover is removable and hand washable in warm water. Car seat features: Car seat group 2-3. Suitable for children 4 years to 11 years. Suitable for children from 15kg to 36kg. For use with 3 point seat belts. Forward facing. Side impact protection. Adjustable head support. Padded seat. Armrests. General information: Size H71, W43, D44.5cm. This seat does not convert to a booster seat. Removable washable cover. Weight 3.88kg. Manufacturers 2 year guarantee.