Authentic Fossil Mako Shark Tooth from Florida: Real “Hastalis” fossils (ancestor of Great White & Mako), 5+ million years old, ethically scuba dived and collected by SHRKco owner Jeffrey Heim off Florida’s coast – each pendant is naturally one-of-a-kind Waterproof & Durable: Premium black braided cord + stainless steel silver wire wrap built to handle swimming, beach days, and everyday wear Handmade by SHRKco Owner Jeffrey Heim: Personally found, crafted, and inspected for unmatched quality, authenticity, and a direct connection to the ocean Unisex Bold Design: Sleek prehistoric blade style that looks great on men and women – perfect ocean-inspired fossil jewelry Gives Back to Shark Conservation: 10% of net profits donated to Saving the Blue and Fins Attached – wear a piece of natural history while helping protect living sharks Custom Sizing with Proportional Teeth: Small (14"), Medium (16"), Large (18"), X-Large (22") – tooth size scales with cord length 5+ MILLION YEARS OLD ETHICALLY SCUBA DIVED IN FLORIDA 10% DONATED TO SHARK CONSERVATION Dive into history with the SHRKco Mako Shark Tooth Necklace. These stunning Mako shark fossils (species “Hastalis” – an ancient ancestor bridging the Great White and modern Mako lineage) are hand-picked from the depths of Florida’s ancient oceans. Known for their sleek, serration-free design, they embody the speed and power of prehistoric ocean rulers. Why You'll Love It: Authentic Mako Shark Tooth – ethically collected by Jeff while scuba diving Florida waters Premium Silver Wire Wrap – bold and modern look on durable black braided cord Waterproof & Built to Last – perfect for everyday wear, swimming, or the beach Handmade with Care – small-batch quality you can feel Charitable Impact – 10% of net profits support shark conservation through Saving the Blue and Fins Attached Sizing Guide: Small – 14 inches Medium – 16 inches (best seller) Large – 18 inches X-Large – 22 inches The size of the fossil shark tooth is proportionate to your chosen necklace length. Every tooth is naturally unique, so slight variations in shape, color, and size from the photos are normal and make your necklace truly one-of-a-kind. Perfect for ocean lovers, fossil collectors, shark enthusiasts, and anyone who wants meaningful unisex jewelry that supports marine conservation.