Product details:

Swivel stool with contoured seat and back for comfort and support. Polyurethane upholstery is puncture and wear resistant and easy-to-clean. Seat offers a waterfall edge to help blood circulation to the legs. Ergonomic adjustments of this work stool include seat/back angle adjustments, back angle adjustment knob and 22 to 32-1/2 pneumatic seat height adjustment. Seat measures 18-1/2W x 18D x 2 thick. Back measures 16-1/2W x 13H. Stable 5 blade base includes both casters for mobility and glides for stationary use. Easy Assembly.