Dimensions: 21.25W x 21D x 32.75H in.. Made from acrylic and nylon. Choose from available colors. Swivels for mobility. Durable construction. Weight capacity: 250 lbs.. Sit the way you prefer with the Alera Essentia Series Acrylic Swivel Task Chair. You can adjust the seat height and depth to your specifications and swivel 360 degrees in this comfortable office chair. Both the seat and the backrest are contoured to fit the curves of your body and give you optimal support when you're sitting for long hours. For durability, the chair features a sturdy nylon base and long-lasting acrylic upholstery in your choice of available colors. Color: Gray.