Creme Bell Curve Cut Corner Lamp Shade 11x18x15 (Spider) 11&quot; across the top x 18&quot; across the bottom x 15&quot; on the slant x 14 1/2&quot; high. Spider fitting in a polished brass finish. From the Imperial Shade brand of lamp shades. Cream, 100-percent polyester material. Polyester, nylon blend inner liner. Cut corner bottom, round top.