THE NECKLACE IS MADE OF 925 STERLING SILVER this necklace will not turn your skin green, red, or itchy as it is hypoallergenic to protect the wearer while wearing. The 16+2" chain is dainty but strong, and will not break on you. Safeguarded with a lobster claw clasp designed for every woman with an active lifestyle to wear it with confidence. Great quality to last a lifetime.