Solid Copper Moscow Mule Mug - 16oz Copper Mug with No Inner Linning (1) 100% Copper Moscow Mule Mugs. Made from Solid Copper Moscow Mule Copper Mugs with no Plating, Lining or Food Lacquering. Tested FDA Compliant. 16 Oz Volume Capacity. Hand Crafted and Hand Made. Ideal for Cold Beverages.