9" across the top x 18" across the bottom x 13" on the slant x 12 1/2" high. A traditional lamp shade from the Imperial Shade brand. White fabric, fold over trim top and bottom, white fabric lining. Polished brass spider fitting. The correct size harp is included free with this shade. A simple, sophisticated bell shade from the Imperial Shade Collection. Premium white polyester fabric is bias cut for the best possible look. Inner lining is a polyester/nylon blend. Fine quality heavy hardware features a polished brass spider fitting.