Black Fabric Armless Deluxe Posture Task Chair

 Thick padded seat and back with built-in lumbar support.
 Waterfall seat reduces stress to your legs.
 Back depth is adjustable.
 Pneumatic seat height adjustment.
 5 star nylon base allows smooth movement and stability.
 Hooded double wheel casters.
 Available in four fabric colors. 
 Seat Size: 17.5" W x 16.5" D.
 Seat Height: 18.5-23.5".
 Overall Size: 17.5" W x 25" D x 35"-40" H.