The Magnes Necklace is the first necklace imported from Japan containing Phiten’s AQUA-METAL technology combined with four strategically placed magnets. Users have been raving about the Magnes since its release in Japan. The Magnes Necklace is made with Silicon and can be worn by stretching it over one’s head. Note: This product does not contain a pressure-release clasp. ***CAUTION - PLEASE DO NOT USE:• If you are using a pacemaker or other medical device inside of the body.• If you are taking medication, medical treatment or therapy. Please consult your doctor before use. Material: SiliconeMagnet Technology:AQUA-TITANIUM SILICA® Made in Japan