DESC: The Britax Companion infant car seat features True Side Impact Protection™ with deep side walls and head support to provide advanced protection in side impact collisions. Patented anti-rebound bar stabilizes the child seat and reduces movement of the child during vehicle impact. Head support cradles the child’s head and maintains proper positioning. The tangle-free, five-point harness with three harness heights and two buckle positions ensures a snug and secure fit.