Comfort and Support of Kneeling Chair with the functionality of a Task Chair Black Fabric Upholstery Thick Padded Seat, Back and Knee Rest Provides Firm Support Pneumatic Seat Height Adjustment Tilt-Tension Adjustment Heavy-Duty Nylon Base Dual Wheel Casters

•Seat Size: 17''W x 13''D •Back Size: 15.5''W x 17.5''H •Seat Height: 20 - 24''H •Overall Width: 26''W •Overall Depth: 31''D •Overall Height: 38 - 42''H