The Graco Nautilus 3-in-1 Infant Car Seat hits the trifecta: it"s super safe, super adjustable and super secure. The 3-in-1 design grows with your child, converting from harnessed booster to high back belt-position booster to backless belt positioning booster so that your child stays safe up to 100lbs. Specifically designed to keep your little one in a harness-booster longer, the Nautilus can accommodate kids up to 57" tall. Parents have come to expect the best from Graco, one of the world"s leading manufacturers of baby products, admired especially for its commitment to safety. Rest easy knowing the Nautilus has undergone extensive crash testing, including side-impact testing, and meets or exceeds all US safety standards. Comfort features include an integrated cup holder, storage compartments, adjustable headrest and three-position recline to keep your child cozy on even the longest rides.