High Output Neodymium spot magnets are ideal for hip, neck, shoulder as well as sore throats or any awkward or difficult hard to reach areas where wraps are not convenient. These high output magnets are manufactured with tough Nylon waterproof shell with Bio-North to the body. Spot Magnets are able to penetrate six times deeper than other competitor's technology. These 1" neodymium magnets penetrate up to 6 inches. Easy to use, simply tape them to your body at first sign of discomfort or sandwich your clothing between two magnets over a trouble soreness area of your body.