This waterproof necklace is created with a hand picked shark tooth fossil found locally in St. Augustine, FL. Hand wrapped by us, styled on an 18k gold-plated PVD stainless steel chain. Our necklaces go through rigorous testing to ensure you can wear them all day, every day, without tarnishing. Feel free to wear your necklace in the ocean, in the shower, or even during a workout! * Available lengths: 16", 18", and 20" * 18k gold-plated PVD stainless steel chain & wire-wrapping * Hypo-allergenic and tarnish-proof * Real shark tooth found by Always Augustine in St. Augustine, Florida. Each piece will vary and be unique due to the organic nature of fossils.