The Serta Waterproof Heated Mattress Pad provides added comfort and protection to the top of your mattress. This soft heated mattress pad features a waterproof top fabric that helps preserve the quality and comfort of your mattress. A controller with 10 heat settings provides the perfect amount of warmth, while the 1-12 hour automatic shut-off timer helps ensure your safety. Machine washable for easy care, this waterproof heated mattress pad brings cozy comfort to your bed. Twin and Full size have one controller, Queen and King size have 2 controllers. The product includes manufacturer’s 5-year warranty.Law Label:UNDER PENALTY OF LAWTHIS TAG NOT TO BE REMOVED EXCEPT BY THE CONSUMER ALL NEW MATERIAL Consisting of 100% POLYESTER FIBER REG. NO. RI 16393 (CN)Certification is made by the manufacturer that the materials in this article are described in accordance with law.MADE FOR E&E CO., LTD 45875 Northport Loop East,Fremont, CA 94538Federal RN#91519MADE IN CHINA