The One 4 Life Clicktight car seat grows with your child from toddler to big kid, for over 10 years of use! With the patented ClickTight Installation, you’ll know it’s right in 3 easy steps and 2 layers of side impact protection surround the head, neck & torso. Plus, SafeCell Impact Technology creates a crumple zone that absorbs crash energy. Accommodates rear facing 5-50 lbs. and front facing 22-65 lbs, booster 40-120 lbs.