Geffen Genuine Leather Aluminum Base Low Back Executive Chair - White 28.86(W) x 25.74(D) x 37.83-40.95(H); Adjustable Height: 17.94-21.06" Genuine Leather with High Density Foam Padding and Leatherette Match on back Padded Armrest, Aluminum Base, and PU Castors Synchronized Reclining Mechanism with 4 Position Lock and Chrome Gas Lift.