The Traot card Collection by Hooplastyle is a high quality card shaped necklace. Each is hand set stones, hand engraved and hand enamelled. Chain is 14k Gold plated and lobster claw clasp. The back has the tarot star sign to sit against your skin and vibrate your intentions. This is a perfect gift as well as an exceptional jewelry piece. This is made steel and hypoallergenic. Water proof. But avoid chemicals.