VERIFY SIZE FOR PERFECT FIT: 7' Top x 12' Bottom x 8' Slant Height THREADED UNO FITTER: This shade uses a 'threaded UNO' fitter to screw on to your lamp. Please check the image and sizing to ensure proper fit. ONLY THE BEST: Home Concept shades only use the finest materials, from fabrics to parchments to the reinforced, heavy-duty brass frames. We want your shades to last. PROFESSIONAL DESIGNER QUALITY: DELUXE hardback lampshade, found in better lighting showrooms. Durable Hotel quality shade. MAKE SURE TO MEASURE: For best fit, measure you existing shade before purchase. The third dimension in the slant height of the whole shade, not the distance from bottom to fitter.