Give youngsters this active seat to let them keep blood flowing and improve their posture. The peanut shape cradles the body for stability, and the PVC construction offers a comfortable, yet durable, place to rest. Overall Dimensions: 19 11/16" x 39 3/8". Weight capacity tested to support 300 lb. PVC construction offers a fun, active seat that encourages small movements, helping improve balance, posture and blood flow. Unique cradling shape provides simple stability. Includes an easy-inflation pump.