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.Beautyrest waterproof top fabricBeautyrest soft flexible wires for comfortBeautyrest one 10 setting controller included ( 2 for queen and king size)Beautyrest 1-12 hour auto shut offBeautyrest includes manufacturer’s 5-year warrantyBeautyrest machine washable for easy careFeatures: Water Resistant, Heated, Waterproof, WashableManufacturer Warranty: 5 Year LimitedBed Size: TwinFill Weight: 10 oz. of FillMeasurements: 75 Length/Inches, 39 Width/InchesMattress Depth: Up To 15 In DeepBase Material: 20% Cotton, 80% PolyesterFilling Content: 100% PolyesterCare: Machine WashDecor Styles: CasualThickness: Thickness Not ProvidedComfort Level: BasicProtection Level: ModerateMattress Securing: SkirtMattress Pads & Toppers Type: Mattress PadsCountry of Origin: Imported Serta Waterproof Heated Mattress Pad