Ergonomic Stool Raised Bar Backrest; Pneumatic Seat Height Adjustment; CA117 Fire Retardant Foam; Silver Metal Base; Ergonomic Stool; Dual Wheel Casters; Black Vinyl Seat Upholstery; Length 18; Width 18; Assembly Required YES; Fabric Vinyl; Finish Silver; Material Metal; Height 24.5 - 28.5; Color Black