The Evenflo® Revolve360™ Extend™ All-in-One Rotational Car Seat with Quick Clean Cover offers the extended security of rear-facing all the way up to 50 lb. The Extend makes it easy to get your child in and out of the car with just one hand. The Extend, the only car seat you’ll ever need, grows with your child for 10 years with 3 modes that adapt to every stage: rear-facing (4 to 50 lb), forward-facing (22 to 65 lb) and booster (40 to 120 lb). The Evenflo Revolve360 Extend meets or exceeds all applicable federal safety standards. It is structural integrity tested at energy levels approximately 2x the federal crash test standard, and it is side-impact tested, rollover tested and temperature tested.