Urbanest Linen Drum Lamp Shade, 12-inch By 12-inch By 10-inch, Off White, Spider Urbanest Classic Handmade Linen Drum Lamp Shades. Hardback Drum Style Lamp Shape; Spider fitter. Measurements: 12" top diameter; 12" base diameter; 10" height. Off white linen. Suggested maximum wattage for shade is 100 watts.