The Flex Loc Car Seat is for weights between 5 and 30 pounds (2.2 and 13.6kg.) heights of 30" or less (76.2cm). This infant car seat features a 5 point safety harness with a easy one hand harness adjustment and push button release. A height adjustable seat back also has no rethreading required making your custom adjustments hassle free. To remove your car seat from the base for transport, the one hand easy access seat release makes quick trips possible. For superior side impact head protection, the Baby Trend car seat is built with EPS energy absorbing foam to provide more cushion and protection for your baby. The smooth carrying handle features a thoughtfully engineered triangular shape designed to provide the optimal carrying angle for the least strain for the parent. To further shield your baby from the elements the car seat includes a canopy and a boot for extra warmth and comfort. Flex Loc refers to the base"s flexible (not rigid) latch straps.