The Sunbeam® King Sized Heating Pad is the ideal electric heating pad for neck, shoulder, and back pain relief. Fast heat-up functionality lets you feel the heat in seconds for quicker results. Sunbeam® Heating Pad features carbon fiber wire emitting infrared heat which penetrates deep into tissues, promoting improved blood circulation to relieve pain and relax muscles. This extra long, 12-inch x 24-inch heat pad, with a soft micro plush cover, delivers more coverage to large muscle groups. Four adjustable heat settings and a 2-hour automatic shutoff offer customized comfort and added safety. When you need relief, the Sunbeam King Sized Heating Pad addresses tough pain quickly, safely, and effectively.