"Royal designs has been in the lampshade business since 1993 with their multiple shade lines that exemplify handcrafted quality and value. Our hardback lamp shade top diameter have a v-notch fitter for use with a 6" or 8" reflector bowl. Made from silk type hardback shantung interior fabric and premium off-white lining. Heavy grade rust resistant metal frame. Thicker than typical standard lamp shade.Clean design simple lamp shade easily suit into any interior space and decorative themes. The shade has a standard lamp shade washer with a brass-finish and a spider fitter. Our lampshade is suitable for table lamps, accent lamps, vintage lamps, candle stick lamps and Kid's room lamps. Specification: Brand:Royal Designs, Inc. Type: Hardback Lampshade Material: Silk Type Fabric Shape: Shallow Drum Color: Linen White Size: 9 x 10 x 7 inch Maximum Wattage: 150W"