Genuine Hawaiian kukui nut and mongo shell lei necklace. Each kukui necklace has approximately 22 genuine kukui nuts each 2.5cm in diameter, and approximately 420 white mongo shells, each approximately 5mm diameter. The "Black 3 Shell Ring" option has three rings of mongo shells between each nut, versus two rings on the others. The Kukui Tree is commonly grown on the Hawaiian Islands. It is a symbol of enlightenment, protection, and peace. Necklace length: approximately 32" long. Ties behind the neck and can be adjusted up to 5 inches.