This black & yellow coloured flexible steel magnetic bangle style bracelet measures 0.19 inches or 5mm in width. These magnetic fields help to improve blood circulation and stimulate the body to heal itself. Wearing a magnetic bracelet can help as a remedy for migraines, neck and back aches, arthritis and muscle cramps by restoring the bodys energy balance. Magnetic products are considered to be unproven remedises. IMPORTANT MAGNETIC BRACELETS ARE NOT RECOMMENDED TO BE USED BY PEOPLE FITTED WITH HEART PACEMAKERS AND BY PREGNANT WOMEN. CONSULT YOUR DOCTOR IF YOU HAVE ANY QUESTIONS.