Top Stage piano bench offers big space for one person, comfortable seat, appropriate height. Feel comfortable while you please the piano or keyboard. Specifications Length 21.5 inches. Overall length including the 2 turn-buttons on the sides is 24.5. Width 13 inches Height adjust from 19" inches to 22.5" Weight Capacity 280 pounds It weighs about 22.5 pounds. Quick and easy assembly, small wrench for assembly included.