Safety 1^st brings advanced Air Protect^® Side Impact Protection to your family. The Complete Air 70 keeps your child well protected through these two separate stages: from 5-40 pounds as a rear-facing infant and baby car seat and from 22-70 pounds as a forward-facing toddler car seat. With Center Front Adjust of the 5-point harness and an easy-adjust headrest, you and your child will appreciate the comfort and convenience features offered by the Complete Air 70 Convertible Car Seat just as much as the added safety.