This office chair features fabric upholstery to comfortably get you through your work day or to keep you comfortable while browsing the internet. High back office chairs have backs extending to the upper back for greater support. The high back design relieves tension in the lower back, preventing long term strain. The contoured seat dissipates pressure points for greater comfort. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. Overall Dimension:25.75"W x 22.75"D x 47.50"H and Seat Size: 21"W x 18.75"D, Seat Height:19.75" - 20.75"H.