Sunbeam MA7284-030-000 SlumberRest Heated Electric Cotton Blend Mattress Pad, King 300-Thread count, 100-percent cotton top Skirt fits up to 21-inch mattresses Premium square quilt pattern with 9-ounce fill Smart sense ambient temperature control with 10 settings, pre-heat and auto-off, choice of two decorative faceplate color options to complement your decor Machine washable