... fashion necklace with antique nickel plating ,and with a 12CM or 60CM length ball chain.It's very popular for youth. Item : Fashion necklace ... , charms 1) Materials: Iron , brass , zinc alloy,aluminium and so on .2) ... Nickel ,black nickel , imitation gold , gold , glossy copper , antique copper , green bronze , silver , antique silver plating and so on .5) ...