25.2"D x 25.2"W x 36.6H. Save Your Back and Waist from STRESS and PAINFUL: Ergonomic seat&tilting backrest, the comfortable saddle seat chair design to encourage better posture&save your back and waist. Contoured tilt back support help to relieve back-strain. Easy Operation:Seat is rotatable in 360-degree for easy direction, seat height adjustments are easily controlled by the tall&smooth lifting gas cylinder with hand lever, range from 22.4inches to 30.4inches, which is convenient for your multi tasking work. Weight capacity 351lbs extremely safe:used heavy duty base ...