HOT SLEEPERS! Our new Reversible Cooling Pillow by Clara Clark features a soft, gel-infused bamboo memory foam to promote air flow, and a Phase Change technology pillow case to give you a "chill to the touch" feel that cools your body temperature. - removable, washable cover consisting of Phase Change cooling fabric on one side of the pillow case, that activates by rising body temperature. -Hypoallergenic fabric that is washable -Foam is Removable/adjustable -Available in King and Standard Size