Enjoy deeper relief in an instant and experience the benefits of infrared heat therapy with the PureRelief Pro Far Infrared XL Heating Pad. This specialized heating pad was designed with InfraWave Technology which features a built-in layer of heat-retaining ceramic beads that send safe far infrared wavelengths below the skin’s surface to target sore spots and penetrate muscles more deeply than traditional heating pads. This revolutionary heat therapy device provides temporary relief for all of your major and minor muscle aches and pains including inflammation period cramps joint stiffness arthritis pain spasms and more while also providing exceptional back pain relief. It’s the best heating pad for athletes runners active individuals and anyone who suffers from chronic pain.