B&P Lamp Antique Amber Deep Drum Mica Shade (16 X 18 X 12) 16 inch top, 18 inch bottom, 12 inch height This retro drum style antique amber mica shade is made of natural mica material with antique finish copper foil trim top and bottom and 3 seems outside All shades have a 1/2 inch recessed antique finish washer fitter Will fit 6",8" or 10" I.E.S. opal reflector