Premium Moscow Mule Drink Set with Pure Copper Mug The Perfect Gift for the Executive Traveler. This gift set includes a Prince of Scots Copper Mug and a Moscow Mule Carry-On Cocktail Kit Premium 14 OZ 100% Copper Mug. Each Mug is Handcrafted by skilled coppersmiths. This Pure Copper Mug has no lining or coatings to provide health benefits of beverages consumed from copper. The Carry-On Kit Contains Recipe Card, Ginger Syrup, Spoon, 1/2 Ounce Jigger, and Linen Coaster. This kit includes the tools to mix two Moscow Mules mid-flight, including a bold and spicy small-batch ginger syrup