... plating latest botton badge pin backmaterial: znic alloy process: diecasting, electric-plate, painting; model: carved accord to your designmedal badge details ... 3mm,3,5mm,4mm,5mm etc(up to customer’s request)Electric-plateing:gold,anti-gold,silver,anti-silver,nickel,anti- ... souvenir, promotion,sports,award etc.We can print customer's logo on products;Order instructions:Product design or logo requested ...