he Evenflo Symphony LX All-in-1 Car Seat accommodates children ranging from five to 110 pounds with the most innovation and value on the market. Symphony LX provides exclusive safety features like Quick Connector technology — you simply click, click and pull for a super-fast and super-snug installation! Evenflo Symphony LX All-in-1 Convertible Car Seat, Crete Gray: Rear-facing for a child 5-40 lbs and 19-37″ tall Forward-facing for a child 22-65 lbs and 28-50″ tall (at least 1 year old) Booster use for a child 40-110 lbs and 43.3-57″ tall (at least 4 years old) 65-lb internal harness extends product life for the child Up-front adjust, easy access harness tension system 5-point harness provides proper fit Pad removes easily for machine-washing 6 shoulder harness positions and 2 crotch buckle positions for better fit and longer use Energy absorbing foam liner provides added safety and comfort Head and body pillow for additional support Side impact tested Meets or exceeds all applicable federal safety standards