Moscow Mule Copper Mug - Polished Copper Moscow Mule Mugs 16 Oz Copper Moscow mule mug with stainless steel lining, 16-Ounce Capacity Stainless lining and exterior lacquer coating over copper for protection and durability With Solid Copper plate Construction and Brass Handle. Food safe seamless hygienic interior Ships from the United States not China, ships within one business day Includes our Solly's Health Shop Lifetime Guarantee from manufacturing defects. We stand behind our Moscow Mule Mugs. Please note: These are hand wash only