Sunbeam TheraPedic Heated and Quilted Mattress Pad California King Sunbeam, America's #1 Heated Mattress Pad! Turn down your thermostat and still relax in warmth and comfort 10 Personalized Heat Settings, 10 Hour Auto-Off, Preheat Feature, LCD Display 50 Percent Quilted cotton 50 Percent Polyester top, 100 percent polyester bottom, Fits Matresses up to 18 inches deep 5 Year Manufacturer's Limited Warranty