The Britax Marathon 70-G3 XE Convertible Car Seat is designed for children rear facing from 5 to 40 lbs. and forward facing from 1 year and 20 lbs. up to 70 lbs. It achieves revolutionary head safety through the use of SafeCell Technology, integrated steel bars and Versa-Tether that work together to minimize head excursion and reduce the risk of head injury during a frontal impact. It incorporates Side Impact Protection, offers a no-rethread and quick-adjusts five-point harness, multiple buckles and recline adjustments and an easy access cover and access to belt paths from the front of the seat. A head and body pillow is provided for comfort. XE model has a 7-year warranty. It includes a cup holder and storage pouch which attach to the sides of the seat to store drinks, snacks and more.