fashionable convenient economical water proof Production Typebadge with magnet Materialpure gold, pure silver, copper, bronze, brass, zinc ... DesignSupply free design service according to your logos, words and pictures. Your designs are acceptable also.LogoCustomized.OEM/ ... production experience, mature craft.(3) Nickel and lead free, low cadmium, comply with the Euro test requirement. Eco-friendly.(4 ...