This Heated Mattress Pad has a top layer blend of Cotton and Polyester for added Softness. Comes in Twin, Full, Queen and King sizes and the decorative color, Natural. Has a generously filled Quilted top with an expandable skirt that fits up to a 22 inch Mattress. Comes with Graduated Warmth zones and ultra thin wire for comfort. Also has digital control(s) with Ten heat settings and a 10 hour auto shut-off for added safety. Dual temperature control is available for Queen and King sizes. For ease, this heated Mattress Pad is machine washable . Skip the winter cold, warm up with your heated Mattress Pad and enjoy the energy savings as well.