... with soft enamelFeatures: Process:Stamping, Die-casting,planning,plating,painting,printing, Injection, Photo etching, imitation hard enamel ... /Hard enamelMaterial:Brass, Zinc alloy, Stainless steel, Iron, Pewter, Aluminum, Soft ... 5cm,3.5*4cm,Various sizes acceptableLogo:Soft enamel color, Silkscreen/offset printing, Laser, ...