This Modified Bell Basic Lampshade is a part of Royal Designs, Inc. Timeless Basic Shade Collection and is perfect for anyone who is looking for a traditional yet stunning lampshade. Royal Designs has been in the lampshade business since 1993 with their multiple shade lines that exemplify handcrafted quality and value. Exterior Fabric: Hand Tailored Silk-Type Shantung (except Linen, Mouton, Burlap & Faux Rawhide fabrics) Interior Fabric: Off-White Softback Lining (Black, Burlap & Faux Rawhide fabrics have gold lining) Washer: Standard brass-finish spider fitter, use a finial to fasten shade. (Shades with 9"+ top diameter have a V-Notch fitter for use with a 6" or 8" reflector bowl)Trim: Top and bottom trim (single or double) with vertical piping Frame: Heavy grade rust resistant metal frame Bulb: Suggested maximum wattage is 150-watt for most sizesHeight 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 shade.