Onstage Flip-Top Keyboard Bench. Durable, quality wood construction. Thick padded seat and flip-top storage. Black finish, black vinyl. Height: 19.5", 240 lb. capacity. This new Flip-Top Keyboard Bench is constructed from durable, quality wood. The design combines a 1.5? cushion, which provides extra comfort for hours of play, with a flip-top seat, which provides storage space for music books and other accessories.