This Sharp Corner Fancy Square Softback Lamp shade is a part of Royal Designs, Inc. Timeless Basic Shade Collection. A fancy style with sharp corners, this shade comes in a variety of colors and sizes. Built with a brass finish spider fitter and heavy grade rust resistant frame. Exterior Fabric: Hand Tailored Silk-Type Shantung Interior Fabric: Off-White Softback Lining (Black fabric has Gold lining)Washer: Standard brass-finish spider fitter, use a finial to fasten shade. (All shades with 9"+ top diameter have a V-Notch fitter for use on a 6" or 8" reflector bowl)Trim: Top and bottom trim (single or double) with vertical pipingFrame: Heavy grade rust resistant metal frameBulb: Suggested maximum wattage is 150-watt for most sizes Height is measured by slant height from top to bottom of the lampshades front facePlease measure your existing shade--a replacement harp may be needed for a proper fit or additional adjustment if changing height of shadeRoyal Designs has been in the lampshade business since 1993 with their multiple shade lines that exemplify handcrafted quality and value.