This copper magnetic bracelet will adjust to the size which is most comfortable to you. This bracelet may help relieve: Chronic sleep disorders, headache related pains, pain and swelling in joints. Modern medicine has recently recognised the benefits of old techniques of natural healing. Using magnets with copper may help you to relieve a number of ailments and injuries. Warning: Do not use magnets if you are wearing a pacemaker internal defibrillator, electrical implants of any kind or if you are pregnant. Not for children under 6 years.