Executive High Back Black Bonded Leather Chair with Locking Tilt Control and Black Stitching. Thick Padded Contour Seat and Back with Built-in Lumbar Support. One Touch Pneumatic Seat Height Adjustment. 360° Seat Swivel. Locking Tilt Control with Adjustable Tilt Tension. Padded Arms. Bonded Leather: Black. Silver Metal Base with Dual Wheel Carpet Casters.