Royal Designs Pointed Drum Basic Lamp Shade, White, 13 x 18 x 13 Shade Dimensions: 13 x 18 x 13 (top x bottom x height) Shape: Pointed 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