Description: Material: Titanium Steel Size: approx. (Outer Diameter) 6mm or 8mm Strong magnet, not easy to fall off Four-claw structure The electroplating process is not easy to fade. Cares: To avoid tarnish, limit exposure to water, perfume, chemicals, body cream, etc. ALLERGY DISCLAIMER: Although rare, some people are allergic to the metals and finishes commonly used in making jewelry. It is the responsibility of the consumer to be aware of any allergies he or she may have to metals (gold, silver, plated, etc.) or the oxidation applied to metals prior to making a purchase. Because there is no way for us to know the medical history of our customers, we will not be held liable for any allergic reactions that may occur as a result of wearing our jewelry.