Pre Assemble Necklaces and Bracelets include a Lobster Clasp and come in various lengths and widths. ?Made from Solid Brass, a naturally hypo-allergenic metal, and electoplated 100% nickel-free. Most styles available in Silver, Gold (EGP), Gunmetal, Antique Copper, Antique Brass, Antique Silver, Satin Hamilton Gold and Jet Matte Black. ?The country of origin is South Korea