Each of our Authentic Puka Shell Necklace measures 16" for a perfect fit suitable for everybody! This necklace features Puka Shells strung together on a 16" necklace with easy lock clasp. These necklaces are a stylish accessory for men, women and children! Puka necklaces are a fun and festive hawaiian tradition making these necklaces great for giveaways at luaus, beach weddings and pool parties. Give a shore side keep sake your guests will keep for life.