SpecificationsWidth: 21.5 inchesDepth: 24 inchesHeight: 31 inchesCOM: 1.70 yardsShipping Weight: 32 lbs eachNumber per Carton: base: 2 seat: 2 Cubic Feet: base: 9.25 seat: 8.0 cf Standard FeaturesMade in the U.S.A.Black Twin Wheel CastersStandard Powdercoat Colors Warranty5-Year Structural Frame Warranty Options/UpgradesBack Options (K Series)Memory Return Swivel Optional Chrome Column