Answer: just under 15 feet long (4.9 meters)!
This Philippines “kamagi” necklace actually 12 necklaces strung together. The places where each necklace comes together is marked by small, colored stones.
The individual necklaces are pretty impressive on their own. Because they are made of smooth, interlocking beads the necklaces are flexible, almost snakelike (as you can see in the second photo).