Sunbeam LoftTec Ultra Soft Electric Heated Blanket, Twin Size Mushroom America's #1 Electric Heated Blanket! Turn down your thermostat and still relax in warmth and comfort 20 Heat settings, Convenient preheat setting, Selectable auto shut-off, 100 Percent polyester Easy to use multi-setting controller, Ambient Temperature Compensation, ThermoFine technology Includes 5 Year Limited Manufacturer's Warranty from Sunbeam LoftTec ultra soft fabric, 100 percent polyestesr, Machine-washable and dryer-safe