STREET CRAFT 100% Authentic Copper Moscow Mule Smooth Shots Mug Capacity 4 Oz Shots Mug Solid Copper Moscow Mule Straight Plain and Copper Handle Shot Mugs Pack of 1 Pcs Creatively designed with your needs in mind of Copper Mule Shot Mugs. Tarnish resistant lacquer preserves the beauty and luster of the copper, Wipe clean with warm damp cloth and dry clean These diminutive shot mugs hold just 4oz. of liquid 100% PURE MOSCOW MULE COPPER MINI MUG - Made with Pure, HIGH QUALITY Copper. The mug is NOT Copper Plated or Lined with Other Metals or Coatings Ensuring Your Drinks Stay Contaminate Free and True to the Mug's History TRADITIONAL DESIGN - Traditional Copper Mug for serving iced cocktails such as the Moscow Mule, a blend of vodka, ginger beer and lime juice, but it can also be used for any iced beverage.