Material: Iron / Zinc Alloy etc. Plating:BrightNickel, Antique Nickel, Black Nickel, Bright Brass, Antique Brass, Bright Copper, Antique Copper, Bright Gold, Antique Gold, Bright Silver, Antique Silver etc. Size: Base on Customer's request Thickness: 1.5-3mm or according to customer request. Process:Soft Enamel / Hard Enamel / UV Print etc. Attachment:Butterfly Clasp / Safety Pin etc.