B Series Men's Yin Yang Ring Product Features This product is produced from a special alloy called Bafon consisting of copper nickel and zinc. Bafon also known as German silver has nothing to do with real silver but its appearance is quite similar to silver. It is a durable and solid alloy. The ring weight is about 7-8 grams. It may vary depending on the ring size. You can learn your ring size from the jeweler free of charge.