Features an adjustable pneumatic, gas-lift mechanism, cushioned bonded leather seat; Seat height raises from 17" to 22"; * Hot, sleek and incredibly fashionable and fun, this Adjustable Chair is a must have for the modern home * Chrome metal cylinder and base; * 29;5"W x 26"D x (29"-34")H; * Some assembly needed, instruction and amp; hardware"s in the box