square tin button badge 1.Eco material with best price 2 ... button badge MaterialCopper,Brass,Zinc Alloy,Iron,Stainless iron,Aluminium,SteelSizeCustomziedLogoCustomzied,and Logo can be Stamped ,Enamel,Printed, evgraved,Embossed ... and laser etcPlatingOptional,Gold,Silver,Nickel,Bronze.Antique gold,Antique Silver,Antique bronze,Rose goldProcessDie Casting,Stamping,Polishing,Printing,Plating etc ...