UTK produces jade, amethyst, and tourmaline heating pads that combine far infrared heat (FIR) and negative Ion technology for use in healing and recovery. UTK heated pads are FDA licensed. FIR light raises the body抯 temperature. FIR heat penetrates past the skin, 4-6 inches into the body. This heat resonates with the cells and invigorates them. The body responds to FIR therapy mats faster than to traditional heating pads, and the effects continue even after use of the heated pad has ended.