This lamp shade is sleek and modern with its square shape and cut corners. Clean lines are accentuated with trim on the top and bottom, and vertical piping. Made of tailored silk-type shantung fabric with an off-white softback lining (black shades have gold softback lining) to create a warm, soft glow. The Square Cut Corner Bell Lamp Shade is part of the Royal Designs, Inc. Timeless™ Basic Shade Collection. Royal Designs has been in the lamp shade business since 1993 with our multiple shade lines that exemplify handcrafted quality and value. Height is measured by slant height from top to bottom of the lampshades"™ front face. Measurements listed as (TOP x BOTTOM x HEIGHT). Please measure your existing shade--a replacement harp may be needed for a proper fit or additional adjustment if changing height of shade. 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 lampshadesfront facePlease measure your existing shade--a replacement harp may be needed for a proper fit or additional adjustment if changing height of shade.