Necklace Brass Silvertone plating Cubic zirconia 159L 19 extender Clasp fastening Imported Michael Kors jewelry is made of precious metals combined with various elements including semiprecious stones Apply perfume and cosmetics prior to putting on your jewelry To clean your jewelry wipe with the soft buffing cloth provided Keep your jewelry away from moisture as it promotes tarnish We recommend storing your jewelry in a clean dry place such as the pouch that the product comes in