Polyurethane Stool Weight Capacity 300 lb Seat Height Range 16 1/4 in to 21 1/2 in Seat Depth 13 in Seat Width 13 in Color Black Material Polyurethane Base Polished Cast Aluminum Features 360 Degrees All-Around Control Mechanism Making it Easy to Adjust no Matter where you Sit Non-Marring Glides Suitable for Hard Floors in Chemical Soil and Puncture Resistant Polyurethane Includes ESD Stationary Glides