The armless desk chair has Gray vinyl upholstery with custom double stitching and a 25" pewter base with twin-wheel casters. It's height adjustable and it has a spring-tilt mechanism that can be used with the upright position back-lock to recline in a seated position. It also has a tilt-tension adjustment and it can support up to 275 lbs. Product Dimensions: Back Height: 19.5"; Back Width: 18"; Seat Depth: 17.5"; Seat Width: 19"; Seat Height: 18.5-22"; Overall Measurements: 25"W x 26"D x 35.5/39"H. Warranty: 2 years for upholstery/foam/cylinder/control mechanism; 6 years for other components.