This multi-functional computer task chair from Flash Furniture has all the necessary features for all-day comfort while you work. Chair features independent adjustments in seat height, back height, seat angle and back angle in addition to ergonomic design this office chair will make any application a pleasure. BT-662-BK-GG Ergonomic Mid-Back Swivel Chair, Black Fabric Upholstery, Thickly Padded and Contoured Seat and Back, Built-In Lumbar Support, Forward Tilt Control Knob, Tilt Tension Control, Independent Seat and Back Tilt, Infinite Position Seat and Back Angle Adjustment Lever, Pneumatic Seat Height Adjustment, Height and Width Adjustable Polyurethane Arms, Heavy Duty Nylon Base, Dual Wheel Casters Office Chair 1