This is a Hawaiian lei necklace, specifically a Cowry Shell Kukui Nut Lei. It is made of:  Cowry shells, which symbolize prosperity and protection. Polished brown kukui nuts, which represent enlightenment and renewal. Small yellow nasa shells. A soft ribbon tie for adjustable fitting. Kukui nut leis are traditionally worn at weddings and dance performances and can symbolize high honor and nobility. They are often given as gifts for graduations and other special occasions Approximately 32" Long Nice condition