Sunbeam SlumberRest Camelot Haven King Heated Mattress Pad, 300-Thread-Count Cotton, White King-sized heated mattress pad in white with uniform and consistent heating Dual SmartSense electronic digital controls with 10 temperature settings, 10-hour auto-off, backlit LCD display ThremoFine Warming System automatically responds to body, bed or room temperature changes 100 percent cotton, 300-thread-count top; 100 percent polyester skirting fits mattresses up to 21 inches deep Machine washable; made in the USA from fabric imported from China