The Alvin Premo Ergonomic Office Chair with Fabric Upholstery CH444-40 gives you solid spine support with its height and depth adjustable padded backrest with heavy duty spring-tension tilt-angle control. The molded foam seat cushion, (19"L x 17"W x 3"H), is contoured and extra thick to provide extra bottom cushioning. The back rest is 16"W x 14"H. You can adjust the seat height from 16½" to 21½" with the pneumatic control lever.
This adjustable task chair comes with a choice of black or medium gray fabric upholstery. The reinforced 25" diameter nylon base is black with swiveling wheels.