Sunbeam Heated Mattress Pad | Quilted, 10 Heat Settings&nbsp;SleekSet, King Polyester SOOTHE ACHING MUSCLES: This soft Sunbeam Quilted Heated Mattress Pad features dual side controllers, each with 10 heat settings to help soothe neck, shoulder, back, legs, and more while you get restful sleep on cold nights EASY TO USE: The SleekSet Controllers give you control over heat levels, while dual-sided ThermoFine technology assures heat consistency by auto-adjusting throughout the night, and the auto-off function allows for peace of mind HIGH-QUALITY DESIGN: Made of 100% polyester, this soft quilted mattress pad is machine washable and dryer safe 5-YEAR LIMITED WARRANTY: Blanket is durable for years of use