fashionable convenient economical water proof Production Typebadge with magnet Materialpure gold, pure silver, copper, bronze, brass, zinc alloy, ... 30mm, 35mm, 40mm, etc. All size are welcome.DesignSupply free design service according to your logos, words and pictures. Your ... 15years of production experience, mature craft.(3) Nickel and lead free, low cadmium, comply with the Euro test requirement. Eco ...