The CPS Adjustable Piano Bench is 21.5 wide and 13 deep and weighs about 23 pounds. It is very steady. Legs can be unbolted easily for shipping and storage. The seat of the piano bench has a padded leatherette top and can be adjusted instantly from the height of 18 to 22 with 4 positions. It can be adjusted higher and much more easily and quickly than the adjustable artist piano bench. Quick and easy assembly you just attach the legs with the wrench provided. The piano bench is made of solid hard wood with gloss finish and are available in ebony (black). This product carries a one-year limited warranty against defects in materials and workmanship.