We are Presenting Copper Beer Mug. Handcrafted from stainless steel with a copper plated exterior and a brass handle, it's the authentic way to serve up this classic vodka cocktail. Hand wash only. Not for use in the microwave. Create your own Moscow Mule at home: Fill your Moscow Mule Mug with ice. Add 2 ounces of vodka, half an ounce of lime juice and top with ginger beer and a sprig of mint. This mug is also ideal for enjoying cool, refreshing drinks year round. The perfect drinking companion for hot summer afternoons, the traditional copper mug becomes chilly to the touch when filled with the iced beverage of your choice. Their design is a classic for serving iced cocktails such as the Moscow Mule, a blend of vodka, ginger beer and lime juice and can be used for any iced beverage. It helps keep cocktails and other refreshments well chilled. Copper Plated mugs helps to make your Moscow Mule and other beverage feel super chilling in hot summer. This mug is highly effective at insulating the cold temperature of any liquid, especially good for summer time drinking, and deflecting heat from the sun. Copper has a very high thermal conductivity so the coldness from your Mule will fly into your hands, lips and throat at an amazing rate. It will feel exactly as the icy drink. Also, these cool, hand crafted copper drinking cups make excellent gifts for weddings, anniversaries or simply as a fun novelty addition to your bar collection