... :zinc alloy,tin alloy. 2,Plating: Bright sn-cu. Necklace , fashion necklace,alloy necklace.handmade necklace1) Material :zinc alloy,tin alloy.2) Plating ... your chosen6) Design:welcome customized designs.(OEM )7) Logo: offset, silk print ,soft enamel ,coloring, laser printin.8) Packing detail: 1pcs ...