Copper Moscow Mule Mug | Un-Lined, Pure Copper Inside | Polished Hammered Finish | 16 Ounces 100% PURE COPPER MUG - Not Lined with Tin, Nickel, Lacquer, or Stainless Steel, just pure, raw copper, so your beverage contacts the copper and you get all of the taste and health benefits of drinking from a copper cup HANDMADE, HAMMERED, POLISHED FINISH - Adds a cool vintage or rustic touch to your party or gathering. Each mug is carefully crafted by hand which gives each one it's own unique character OLD WORLD STYLE BRASS HANDLE WITH THUMB REST - Comfortable to hold, and looks great too. It's welded on so it's easy to clean and no leaky rivets 16 OUNCE CAPACITY - The perfect size for a moscow mule. The copper makes your drink stay colder longer than glass cups and taste better too The Rior 100% Copper Moscow Mule Mug is a great gift idea paired with a bottle of vodka and some ginger beer!