Product details:

Ready to go with room to grow! Poplar takes the stress out of moving to the next car seat stage with trusted Britax safety, patented ClickTight Installation, and a slim SpaceSaver design. Fits rear-facing up to 50-lbs to help keep your child riding safely even longer. Easily switches to forward-facing. Install with confidence every time thanks to Britax-exclusive ClickTight. Fully open seat belt paths are clearly labeled & easy to access, and the automatic tensioner takes care of the tightening. Easily adjust the 14-position harness & headrest with one hand to create your childs perfect fit. Slim outside, spacious inside! 17 seat design fits 3-across without compromising on trusted Britax safety & premium comfort. Our patented SafeCell crumple zone & V-shaped top tether help manage crash energy. Carbon steel reinforced frame & belt paths provide strength and stability. Fabrics are naturally-flame retardant with no added FR chemicals, and safe to machine wash and dry. Britax cannot guarantee 3-across installation fitment in all vehicles.Children ride rear-facing to the highest weight or height specified.
Children should remain in a child seat with a 5-point harness until reaching the maximum weight or height allowed.
The top tether be used at ALL times when installing the child restraint forward-facing.