Britax Highback Booster Seats (With Removeable Harness) 9 Months To 11 Years, Group 1-2-3 Seat - 9kg/20lbs to 36kg/79lbs Positioned forward-facing, these Britax highback booster seats are secured in the car by the adult seat belt. Children 9kg/20lbs to 18kg/40lbs in weight are secured by the car seat’s integral 5-point safety harness. The integral harness can be removed to accommodate children 15kg/33lbs to 36kg/79lbs, who are then secured by the cars adult seat belt. All Britax 1-2-3 highback booster seats can be reclined for greater comfort. Important Parental Advice!
Child Height Regulations For Car Seats New regulations governing the use of child car seats came into force on September 18th 2006 Every child MUST travel in an appropriate child restraint until that child reaches EITHER 135cm in height OR 12 years old.