The Helix rGlacioTex™ Cooling Mattress Protector is made with cutting edge technology to keep you cool and comfortable when you sleep. The hypoallergenic GlacioTex™ fabric is made from fibers with high thermal conductivity that allow heat to be quickly and effectively pulled away from your body. Enjoy waterproof protection on the surface of your mattress to guard against spills, stains, and life's everyday accidents. A cool-to-the-touch design with high thermal conductivity to allow heat to be quickly and effectively pulled away from your body while you sleep. A 50/50 blend of polyester and polyethylene offers protection against allergens, bacteria, and dust mites. 1 Year Manufacturer Limited Warranty.