??Description:<br />Self-heating Sports Safety is designed to prevent sports injuries， which can restrict a movement of the joint， reduce skin friction or to absorb the impact energy to achieve the protective purpose. No need to spend money on disposable heat wraps. This Self heating belt slowly warms the lower back and waist， increasing blood flow， relaxing muscles and soothing pain. Does not require electricity or Microwave to produce heat Natural Heat Therapy<br /><br />Features:<br />Lightweight and easy to use<br />Elasticated pull straps for a snug fit<br />Health magnets evenly placed to increase blood flow<br />Delivers continuous gentle warmth， designed specifically to ease lower back pain.<br />Penetration of heat relaxes the muscles and increases blood flow.<br />The increased blood flow helps wash away substances that cause pain.<br /><br />Specifications:<br />1. Material:Durable magnets and soft nylon， neoprene and Velcro.<br />2. Color: Mainly black<br />3. 4 Size for your choice: S M L XL<br /><br />Note:<br />1. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Hope understanding.<br />2. Please allow 1-3cm differences due to manual measurement， thanks<br /><br />Package Included: <br />1X Magnetic Waist Belt