Gates Genuine Leather Aluminum Base High Back Executive Chair - Black 28.08(W) x 29.64(D) x 47.97-51.09(H); Adjustable Height: 19-22 (inches) Genuine Leather with High Density Foam Padding and Leatherette Match on back Padded Armrest, Aluminum Base, and PU Castors Synchronized Mechanism with 4 Position Lock and Chrome Gas Lift.