One4Life is designed for birth up to ten years: infant (5-20 lbs), toddler (20-50 lbs), pre-school (22-65 lbs) and big kid (40-120 lbs). It converts from a rear-facing infant car seat, to a forward-facing 5-point harness seat to a high-back belt-positioning booster seat. ClickTight is as easy as buckling a seat belt, so you can install with confidence. Color-coded belt paths show you where to route the seat belt for each installation mode. Plus, easy-read indicators help you find the correct recline angle. For safety, a high-strength steel frame, crumple zone and V-shaped tether help absorb crash energy. The protective seat shell and foam-lined headrest also help absorb impact energy. As baby grows, adjust the 15-position headrest and harness to create the just-right fit. When it's time for booster mode, simply tuck away the harness straps and buckle. More features include cooling channels, premium padding, built-in arm rests and two dishwasher-safe cup holders. Made with naturally flame-retardant fabrics, the SafeWash cover is safe to machine wash and dry.