Urbanest 1100892 Off White Linen Drum Lampshade, 12-inch By 14-inch By 10-inch, Spider Urbanest Classic Handmade Off White Linen Drum Lamp Shades. Hardback european Drum Style Lamp Shape; Spider fitter. Measurements: 12" inches at the top; 14" inches base; 10" on the slant. Suggested maximum wattage for shade is 100 watts. Burlap and Natural Linen Drum Lamp shades also available in our Amazon Store.