6" across the top x 23" across the bottom x 13 1/2" on the slant x 10 1/2" high. Extra large cotton blend white linen lamp shade from the Springcrest brand. Lamp shade only: base not included. Polystyrene lining. Chimney shade. White finish spider fitting. The bright white hue and chimney shape of this large, two-foot wide lamp shade add both modern and classic looks to your room décor. Perfect for that simple yet stylish touch. The correct size harp is included free with this shade. Please note this item is a lamp shade only; lamp base not included and sold separately.