Heavy-Duty Stool , Stationary, Adjustable Height, 250 lbs. CapacityPneumatic seat height adjustment Self skinned polyurethane seating offers stain and puncture resistance with the ultimate ergonomic and comfort features available Sturdy 5 leg, glass reinforced, nylon base Manual vertical back adjustment with built in lumbar support Waterfall edge seat design for greater comfort Nylon foot ring Features rubber cushioned metal glides to protect floors Colour: Black Seat Material: Polyurethane Weight Capacity: 250 lbs.