The detailed TierraCast buttons are very hard, durable, colorfast and are suitable for creating original accessories, clothing and jewelry. They are made from a tin alloy, the quality of which meets the strict European REACH standard for lead, cadmium and nickel. TierraCast production was taken over from the USA to Europe in previous years. TierraCast components are cast from handmade molds and are available in antique silver and antique gold finishes.