Product details:

Sleep well. The Premium Heated mattress pads from Sunbeam provide lofty warmth and soothing comfort throughout the night. Features a 7" diamond design and 20 heat settings so you can find your perfect temperature. Auto-off and preheat features provides personalized comfort and convenience. 35 Percent Quilted cotton top, 100 Percent Polyester bottom. Twin Size (39" x 75"), with single control, fits mattresses up to 21 inches deep. These heated bedding products were made to work with 110V Electrical systems. If you live in a country that utilizes a different electrical system you may need to use a converter for these products to function. All Sunbeam Blankets are rigorously tested and approved by a third party (UL or ETK Intertek) to comply with current industry safety standards. Additional safety certification for this product can be viewed on the UL or Intertek websites or by calling their perspective customer care phone numbers.