Necklace and earrings set, brass, silver-tone hardware, necklace: 16"+ 2” extender, earrings: 0. 5”w, lobster clasp/post back fastening, imported, michael kors jewelry is made of precious metals combined with various elements including semi-precious 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.