From Noble Excellence, this pillow features:  Noble Excellence® Double Cool™ Pillow protector features fabric technology that keeps you cooler all night long Material: 90% Nylon / 10% Spandex  The double cool fabric is nylon, which is inherently cool to the touch, blended with spandex for added personalized comfort Phase change material is also applied to the underside of the fabric resulting in a pillow that is double cool and comfortable all night long Zipper closure  Jumbo approx. 20" x 28" King approx. 20" x 36"  Each size sold separately   Care instructions: Machine wash and rinse in cold water, gentle cycle, mild detergent USE non Chlorine bleach only if needed Tumble dry on low heat Do not iron, steam or dry clean Imported.