One size fits all. It is believed that wearing a Magnetic Bracelet can reduce pain relieve fatigue, improve blood circulation and increase energy. Wearing copper accessories is believed to emanate the required healing energies within the body. Worn on the wrist as a bracelet or on the finger as a ring, wearers have reported a marked improvement in their condition. The anti-inflammatory properties of copper reduce pain associated with arthritis.This magnet is not being sold as a medical device. Magnet is not intended to diagnose, treat, cure, or prevent any disease. Assorted and randomly chosen based on availability. We trust in that the universe will provide the proper selection specifically for you.