Dax - Bentwood Adjustable Office ChairConstructed using plywood, veneer, and high density foam Features comfortable curved padded seat, button tufted seat back and walnut veneer on bentwood frame base with five casters, 360 degree swivel function Adjustable height: features lever for gas lift for adjustable seat height Assembly Required Efforts are made to reproduce accurate colors, variations in color may occur due to computer monitor and photography Dax Office Chair Black Natural 25.