The Allegiance Convertible Car Seat is the perfect seat for your growing baby. Designed with Britax safety technologies to help provide children extra protection on-the-go. This car seat includes SafeCell Impact Protection – a system of patented safety features designed to help keep baby safe and sound and deep foam-lined shell provides side impact protection to help surround baby in safety. Accommodates rear facing 5-40 lbs and and front facing 20-65 lbs.