Kohle Chrome and Acrylic Ball Swing Arm Wall Lamp 12&quot; high. Arm extension is 22&quot;. Back plate is 5&quot; wide x 6 1/2&quot; high. Drum shade is 9&quot; wide x 8 1/2&quot; high. Uses one maximum 60 watt standard-medium base bulb (not included). Plug-in contemporary swing arm wall lamp by Possini Euro Design&#174;. On-off dimmer switch on the socket. Chrome finish, metal construction. Acrylic ball and back plate. Double shade design. Inner shade is a white cotton polyester blend. Outer shade is sheer silver fabric.