This is the Silver Cross balance car sear which is for children form 9 months to 12 years of age. It has two stage configuration as it is a car seat for 9-18kg and then a high backed booster for 15-36kg. It has an isofix fitting which is quick and easy to lock into place. The five point safety harness will keep younger children safe but can be stowed away once they are 15kg so they can use a standard seat belt instead. It has 4 recline positions to accommodate a sleeping child. The fabric is soft and thermo-regulating bamboo which is antibacterial and hypoallergenic.