Experience personalized comfort with the Costway Machine Washable Electric Bed Warmer. Featuring dual controllers, you and your partner can set individual temperature and time settings for an optimal sleep experience. With 9 heat settings, a built-in thermostat, and a 9-hour auto-off function, you can enjoy warmth safely and efficiently. The soft, breathable non-woven fabric ensures maximum comfort, while the machine washable design makes care easy. Ideal for king size mattresses, this bed warmer combines functionality with safety, including overheat and short-circuit protection.