Shine!! This necklace is rhodium plated sterling silver with synthetic white opals with CZ halo settings. The necklace has a 10" drop and a lobster clasp. Versatile adjustable chain will slide any size you want up to 19 inches for a perfect fit for every outfit. The secret is in the slide ball at the end of the clasp. Easy to slide even while you are wearing it, but will still stay where you want it!