The Richway Bio-Mat combines state of the art Far Infrared Light Rays (FIR) & Negative Ion Technology with the healing power of Amethyst to deliver professional therapeutic results. Bio-Mat is Capable of: Improving Circulation & Cardiovascular Function Improving Immune System Function Relieves pain Burns Calories & Controls Weight Eases Joint Pain & Stiffness Reduces Stress & Fatigue Removes Bodily Toxins & Assists in Detoxification FIR penetrates 6-8 inches into the body's core, the spine, organs, & deep tissues like lymph glands, blood vessels & nerves. Discovered by NASA, scientists propose that among the energy spectrum coming from the sun, FIR waves are by far the safest & most beneficial electromagnetic energy available to us, directly effecting all metabolic & cellular functions