swivel desk chairs is designed with a contoured, mesh back, and also features pneumatic seat-height adjustment. The dual-wheel casters on this chair comfy computer chairs improve mobility as you are able to easily roll in whichever direction you choose while sitting. The desk office chairs adjustable seat height also proves very convenient for different desk and work station heights. The curved contour and adjustable height makes it easy for you to get comfortable. The additional padding on the back and sitting area also contribute to greater comfort.