Features:<br>Hyperthermia with natural mineral tourmaline as the core, comprising the product formed integrally with the nano-bio-functional materials. <br>In the case of temperature and pressure changes, continuous release of far infrared, negative ions. <br>And the thermoelectric micro-current stimulation effects to the human body.<br><br>Specification:<br>Material:Cotton, ABS<br>Color: black<br>Size: 500*85mm<br><br>Package Includes:<br>1 * Neck Wrap Belt<br><br>Notes:<br>1. Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.<br>2. Due to the manual measurement and different measurement methods, please allow 1-5mm deviation. Thanks!