p style"textalign justify" The strong Bamboo Charcoalstrong in this product reacts with your body heat to naturally emit Far Infrared Rays amp Negative Ions. We create it by selecting bamboo stalks harvestedf from sustainable forests in China & expost them to intense heat over 1800F for two weeks. br br strong Additional Benefitsstrongbr Increase Blood Flowbr Muscle Relaxationbr Ease Joint Painbr Improve Flexibilitybr Improve Digestionbr Prom