The New Big Kid™ Booster Seat offers a point of difference for your shoppers with it's… Activity lights to allow the child to continue to read, color, or play when it is dark outside. One-Hand Full Body Adjustment which allows the seat to grow in height as well as lap depth with one simple adjustment. Pivoting Comfort Touch armrests improves ease of entry and proper buckle position. Exclusive Comfort Touch padding providing mattress style cushion throughout the pad. Age, weight, and height specifications: 3 - 10 yrs old as booster(30-100lbs) 4 - 10 yrs old as a no-back booster(40-100lbs) 57 tall