Native Treasure - 18" Shark Tooth Tiger Puka Shell Necklace Our Standard 18" Length. MORE Sizes in Our Store! 6-7mm (1/4" min.) Class 'A' Quality Genuine Tiger Puka Shells 3/4" Gem Quality Whitetip Shark Tooth Pendant - edge dim, shape may vary Includes FREE Stainless Steel Beading Wire Upgrade, Silver Plated Bead Trim, Sturdy Twist-Barrel Lock Exclusive 60 Day Free Breakage Replacement 100% Satisfaction Guarantee