Details:
Bio band 
 
DEEP THERAPY MAGNET: Contains 1 x 5000 gauss large deep penetrating neodymium magnet. 
EFFECTIVE PAIN RELIEF: Magnetic therapy is used for pain relief, to reduce inflammation and improve circulation. Place on any painful area for lasting relief.
HIGHLY VERSATILE: Treat any area of your body effectively & naturally. Promote circulation, prevent stiffness and relieve pain at the source.
On a Velcro band and one size fits all fully adjustable- strong and hard wearing