"The Hotel Collection Pillow offers soft comfort. It s filled with European white goose down and covered with 100% Egyptian cotton down proof cover(233 threadcount). Edges are finished with double stitched piping. Hypoallergenic. DownTown s process of cleaning down removes dust, dirt, and other allergens thus significantly reducing the risk of allergic reactions. Machine washable dry cleaning recommended. Size: King 20""x36"", Fill Weight: 24oz"