Copper is one of the most resilient materials found in nature and is capable of withstanding the harshest of environments. All coppersmith light fixtures are constructed with 20oz. solid copper and fitted with solid brass components to provide a lifetime of maintenance free service. Ceiling lamp and lantern made of copper, aluminum and brass. The raw material is cut to the desired design pattern, then joined using welding, and continue the process of forming hammered, and for the last process is complete the form and color and choating. This lamp is made by a skilled artist, not rusty