3 in 1 car seat with multiple modes for extended use through childhood.nThe steel-reinforced seat has been engineered and crash tested to meet or exceed standards.nSuits children from 20 to 100 pounds and from 27 to 57 inches.nEPS, energy absorbing foam for effective impact energy management and steel-reinforced frame for durability.n1-hand height adjustable head rest and open loops at the top of the seat easily position your vehicleu0026#39;s seatbelt.n