Materials 18k Gold Plated, Brass, Leather, Glass Crystal Length 16" and a 1" extender chain Closure Clasp Elegant Gold-tone Nickel-free Necklaces, Adjustable Gold-tone Necklace With Round Pendant, Adjustable Brass Jewelry With Round Pendant, Adjustable Yellow Gold Round Pendant Jewelry, Adjustable Brass Round Pendant Jewelry, Adjustable Brass Pendant Jewelry, Minimalist Metal Jewelry With Sliding Knot, Elegant Metal Jewelry With Sliding Knot, Everyday Gold-tone Round Pendant Jewelry