1.Material: Brass/Zinc alloy/copper 2.Manufacturing process: stamped soft enamel;Photo etched,new enamel 3.Plating: Nickle/Gold/Silver 4.Size or shape:according your requested 5.MOQ:100 pairs per design 6.Production time: 2weeks 7.Sample date: 7days. 1pari/opp bag/bubble bag MOQ:100pairs.