DELUXE DOCTOR’S STOOL · Pneumatic 16″ to 21″ Seat Height Adjustment · Oval Shaped Back for Support Comfort & Maneuverability · Height Adjustable Back Support · Back Support Tilt for Custom Fit & Comfort · Contoured Seat Provides Lasting Support w/ Comfort · Under Seat Easy Clean Cover · Seat Tilt & Stable 5 Legged Base · Powder Coated Base · Smooth Twin Wheel Casters · A Wide Range of adjustments for a Custom Fit