Fashion Bed Group Sleep Chill + Crystal Gel Mattress Protector with Cooling Fibers and Blue 3-D Fabric, King 65% Polyester/35% Coolfiber/100% Polyurethane (Back) Imported King sized mattress protector infused with crystal gel fibers to keep sleep spaces cooler than ever Defends against stains, body fluids, moisture, dust mites, pet dander and other harmful substances Designed to absorb heat and dissipates it away from the body for an ultra-cool sleep Revolutionary 3D fabric allows for excellent airflow Protected with a 10-year limited product and mattress warranty