These are made of 97% copper. They also include gold, silver, iron, refined copper, and bronze – the five precious metals. In addition they include gold from the Jowo in Lhasa；old and sacred materials from the Tashi bar image brought to Tibet from China by the Karma Pakshi, precious copper ore from Gegyal, meteorite , and iron from the chains used by the Mahasiddha Thangtong Gyalpo in building iron suspension bridges which are renowned for protection from earthquakes and other harm caused by the disturbance of the four elements. Because they are made from so many rare and precious materials they can prevent all sorts of adversity.

The coin is 1.5 inches