The Nania Befix SP Linea Grey is an extra padded and comfortable 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. Lightweight and portable it is easy to move between cars. It is used with the back unit attached throughout to provide maximum protection. The extra padded cover is removable and hand washable in warm water.