Flex-loc infant car seat accommodates children from 5-30 pounds and up to 30″ tall. Includes a flex-loc easy to install stay in car base. The flex-loc features a 5-point harness, with an easy one hand harness adjustment, and push button release. The 4 position push button height adjustable base has a level indicator for proper installation. Height adjustable seat back with no harness rethreading of belts. The seat has EPS energy absorbing foam for superior side impact head protection. The flex loc infant car seat comes with an adjustable headrest, smooth carrying handle, and a boot providing extra warmth and comfort. The flex-loc comes with easy to use flexible latch straps to hold the base securely in place. Easily converts to a travel system using most baby trend strollers including all sit n stand, expedition jogger, navigator jogger, and snap n go strollers.