Items are made with high grade stainless steel.  

CARE INSTRUCTIONS: The face and base of the locket are made with glass and can break; handle with care. Avoid water - this locket is not waterproof. Polish: Made with real metals which may tarnish over time; to keep looking new gently rub with a dry polishing cloth in a circular motion until shine is restored. REMOVE your jewelry when using harsh chemicals, applying beauty products or perfume and avoid extreme heat or cold.