Ready to go with room to grow! The Britax Poplar™ convertible car seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight® installation and slim SpaceSaver™ design. This convertible car seat accommodates up to 50 lbs when installed rear-facing, allowing your child to ride rear-facing longer. It easily switches to a forward-facing car seat as your child grows, accommodating up to 65 lbs. ClickTight technology provides fully open seat belt paths that are clearly labeled and easy to access, and the automatic tensioner takes care of the tightening. The baby car seat lets you easily adjust the 14-position harness and headrest to help create your child’s perfect fit. The car seat features 17-inch SpaceSaver technology designed to fit 3-across* without compromising on trusted Britax safety and premium comfort. The Britax car seat includes a patented SafeCell® crumple zone and V-shaped top tether to help manage crash energy. Carbon steel reinforced frame and belt paths provide strength and stability. *Britax cannot guarantee 3-across installation fitment in all vehicles