Suitable from birth to 18kg approx 4 years group 01 comfortable deep seat with multi position recline and lock functions reinforced side impact protection reversible and removable seat reducer in 100 polyester fleece integrated headrest machine washable at 30c fully adjustable 5 point safety harness with audible alarm function handy storage pocket at back for newborns up to 9kg use the seat reducer and place baby in the car seat facing the back of the vehicle for children 9 18kg