15" across the top x 15" across the bottom x 11" high overall. Chrome finish spider fitter has a 1/2" drop. 9" harp is included. Hardback drum lamp shade from Springcrest Collection brand. Plastic material. White weave pattern. Light filters through shade. White unlined interior. Rolled trim. The correct size harp and a finial are included free with this shade. Enjoy generous versatility that complements lamps made from a variety of materials, choosing this hardback drum lamp shade from Springcrest Collection. Plastic material offers a high-quality build to a shade with a texturized white weave pattern surface. Perfect for a metal or ceramic lamp, this shade offers a white unlined interior and neatly rolled trim edges.