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 fabric Beautyrest soft flexible wires for comfort Beautyrest one 10 setting controller included ( 2 for queen and king size) Beautyrest 1-12 hour auto shut off Beautyrest includes manufacturer’s 5-year warranty Beautyrest machine washable for easy care Features: Water Resistant, Heated, Waterproof, Washable Manufacturer Warranty: 5 Year Limited Bed Size: Twin Fill Weight: 10 oz. of Fill Measurements: 75 Length/Inches, 39 Width/Inches Mattress Depth: Up To 15 In Deep Base Material: 20% Cotton, 80% Polyester Filling Content: 100% Polyester Care: Machine Wash Decor Styles: Casual Thickness: Thickness Not Provided Comfort Level: Basic Protection Level: Moderate Mattress Securing: Skirt Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported