This Sunbeam Heating Pad offers UltraHeat products as an effective way to increase the flow of blood to the sore areas causing muscles to relax and healing to happen faster. UltraHeat Technology maintains consistent heat for greater comfort; Soft, machine washable cover for increased peace of mind; King Size: 12" x 24"; Slide controller with large switch, ideal for Arthritis sufferers; 3 heat settings; 9 foot extra long power cord.