Native Treasure - 18" Black Coco, Blue Cat-eye, White Heishe Puka Shell Necklace - 8mm (5/16") Standard 18" Length. 8mm (5/16") Class 'A' Quality Coco Beads, Blue Cat-eyes, Flat Cut Round White Clam Shells Hand-Crafted in Our Tropical Jewelry Shop by Our Native Island Artisans Includes FREE Stainless Steel Beading Wire Upgrade, Silver Plated Trim, Sturdy Twist-Barrel Lock 60 Day Free Breakage Replacement 100% Satisfaction Guarantee