The Rectangle Cut Corner Lamp Shade is a part of Royal Designs Inc. Regal Basic Shade Collection. A Cut-corner rectangular shape this shade features Well-Made shantung with a rust resistant frame. This shade will never go out of style with its Well-Made shantung fabric. Perfect for updating or repairing an antique or cherished home lamp. Royal Designs has been in the lampshade business since 1993 with their 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.