Light yet sturdy, the brushed nickel triangular frame of the Lyell Floor Lamp is a refreshing change of pace from the columnar bases of its traditional counterparts. The graphic lines of this modern lamp are accented by a white cotton shade for an open, airy look. Bulb Lumen: 830, Bulb Type: CFL, Bulb Count: 1, Switch Type: On/Off, Rotary SwitchShade/Glass Description: 100% Cotton, Shade Bottom: 11" x 11"; Shade Top: 11" x 16"; Shade Height: 10", Base Dimensions: 13" x 13" x 0.75". Before cleaning any lamp shade or fixture, disconnect the power source.  Wipe with a soft, dry cloth.  Avoid the use of chemicals and household cleaners as they may damage the finish.