Outer shade is 12" across the top x 12" across the bottom x 9" high. Inner shade is 10" across the top x 10" across the bottom x 8 1/2" high. Double sheer drum lamp shade with hardback liner. From the Springcrest Collection brand of lamp shades. Sheer silver polyester fabric over clear styrene on outer shade; white polyester fabric inner shade. Silver finish spider fitter. The correct size harp and a finial are included free with this shade. Refresh any existing table lamp with this double sheer hardback shade. Creating a luxurious look, sheer silver fabric covers white fabric inner shade for a stylish effect.