The Elixer infant car seat features the Flex-Loc stay-in car base and a five-point safety harness with push button release and a no-hassle, multi-position harness adjustment. Its four-position push button height adjustable base with level indicator ensures proper installation, and one hand easy-access seat release makes disassembly easy. This car seat will serve you and your baby comfortably, safely and in style!Includes a Baby Boot to help keep your little one cozy and warm. Height adjustable seat back requires no safety harness re-threading!