Sleep Better Isotonic Iso Cool Total Body Comfort Topper with Outlast Cover Queenbr Click below to buy on Amazon: Isotonic and Iso-Cool are Registered in US Patent and Trademark Office br 3-inch 2-12-pound density 100-percent visco-elastic memory foam topper br 300tc 100-percent cotton cover with outlast adaptive comfort material br 17-inch tightgrip skirt fits up to 21-inch br Hypoallergenic and cover is machine washable