Royal Designs Tapered Drum w V-Notch Top and Bottom Designer Lampshade-  White, 8x12x10.5 Shade Dimensions: 8 x 12 x 10.5 (Top x Bottom x Height) Shape: drum Fabric: hand tailored silk-type shantung fabric premium off-white softback lining Washer: standard (0.5 inch recess) brass-finish spider fitter W/trademark stamping. (Shades with 9"+ top diameter have a v-notch fitter for use with a 6" or 8" reflector bowl) Frame: heavy grade 1.5Mm rust resistant metal Frame. Thicker than typical standard lamp shades