And the link chain made of harmless titanium steel with 18K gold on the surface. The antioxidant materials won't lose their beautiful shine or turn your neck green.Dimensions: pendant length x width: 64 mm x 28 mm, chain length: 61 cmThe pendant is made of environmentally friendly and people-friendly alloy, nickel free. The chain is made of stainless steel.Perfect for everyday use and special occasions. The necklace for boys is a good gift. Let him know what is most important to you.The pocket-sized package is convenient for gifting. Special gift for Christmas, Birthday, Valentine's Day, Thanksgiving, Graduation, Children's Day, Halloween, etc.