DESC: Magnetic Back SupportMade from flexible, comfortable high grade material covered with soft polyester fiber on both sides, the magnetic back support wrap will fit both Men and Women. Highly adjustable with Velcro Straps. Easy to wear, very light weight. Size: M. L. XL.According to the researcher that magnetic supports product is associated with magnetic field therapy which helps relieve pain, helps lower blood pressure, prevents inflammation and reduces swelling. The magnetic products can assist with hypertension, sprains, tendon-sheath inflammation and many other problems, improve blood circulation to speed recovery.Disclaimer: This magnetic back support is not a medical product. Pl. consult your doctor if you have back problems. You must make you own decision as to magnetic products health benefits from your own knowledge and beliefs. Free shipping with purchase of badminton racketAll sport supports are 50% to 70% off