... 3, Raised or Sunken Logo 4, Eco-friendly Plastic cord end Metal buckle, plastic buckle, ABS buckle, Zinc alloy buckle, PP,POM ... , PA.... 1. Stopper material : Zinc alloy, copper, Plastic buckle, resin buckle PP,POM, PA.... 2. Stopper : Any size ... .6, More than 15 years experience of manufacturing for the button.7, Nearly 12 years ecporting to Europe, USA, Australia, Japan...8 ...