Puncture proof ergonomic stool. 5-Way Adjustable. Chemical resistant Polyurethane. Ideal for extended sitting periods, this adjustable stool helps fight fatigue with 5 ergonomic adjustments and a contoured seat and back. The upholstery of this swivel stool is made with puncture and wear resistant self-skinned polyurethane that is easy to clean. The seat features a plate reinforcement that helps this shop chair withstand heavy duty use in tough working environments. The seat also has a waterfall edge to help blood circulation to the legs. Ergonomic adjustments of this work stool include independent seat and back tilt adjustment, 38” to 48-1/2” back height adjustment, 22” to 32-1/2” pneumatic seat height adjustment and 2” back depth range adjustment. This shop stool includes a 360 degree chrome foot ring that is height adjustable. Seat measures 18-1/2”W x 18”D. Back measures 16-1/2”W x 13”H. Stable 5 blade base includes both casters for mobility and glides for stationary use. Easy Assembly. 1 Year Limited Warranty.