More gentle than cotton and softer than silk, Therm-A-Sleep Cloud Mattress Protectors, waterproof, deliver a supremely luxurious nights sleep. Perfect for sensitive skin, these protectors are made of 100% TENCEL Fiber is a natural eucalyptus fiber that delivers a dramatically smoother and more supple feel than wool or cotton. The breathable fabric boasts thermo-regulating properties to help you maintain an even and comfortable body temperature. Miracle Membrane technology draws moisture away from the surface to maintain a clean and dry sleeping surface. 100% waterproof polyurethane laminate lining protects your mattress against accidental spills and delivers stain-, dust mite- and allergen protection. 80/20 cotton/polyester skirt with elastic. Machine washable on hot, tumble dry on medium. Imported.