This microgel pillow imitates the form-fitting comfort of down, but the manufactured fibers are stronger and more durable. This oversized pillow has a two-ply 864-thread-count cover plus a zip-off silk/cotton cover. Hypoallergenic 100% Polyester fill with 100% Cotton cover. Available in jumbo (20" x 28") or king (20" x 36"). Machine washable. Made in the U.S.A.