The Square Inverted Cut Corner Lamp Shade blends clean lines with traditional style. This shade has a square shape with a more exaggerated flare to compliment very voluminous lamp bases. 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 Inverted Cut Corner 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.