Navy Mom, Hypoallergenic Necklace, Safe-Nickel, Lead & Cadmium Free! The Perfect Gift "Navy Mom" Hypoallergenic Necklace, Safe-Nickel, Lead & Cadmium Free! All our Jewelry is Hypoallergenic and Safe. There is NO Nickel, Lead or poisonous Cadmium Metals in our Bracelets, Necklaces or Earrings. Will Not Irritate Anyone with sensitive skin | Copyright 2004 - 2018 Cardinali Jewelry | Custom Made in the U.S.A. To See ALL the Navy themed Cardinali Jewelry, Put "Cardinali Jewelry Navy" in the Amazon Search Box. N1 - Silver-tone, Cable Chain, Adjustable Lobster Clasp Necklace with Charm/s on Chain. Necklace is 18 inches with 3 inch Extender Attached.