The Tall Moscow Mule Mug provides you with top-quality 100% pure copper mug that is ideal for serving Moscow Mules or your favorite cocktail. Quality and Performance – Each mug is handcrafted by true artisans with the highest-quality workmanship. Our mugs are made from pure copper that is heated, tempered and hand polished. They are then hammered by hand for a unique look and given a fine polish for extra luster. – The generous 16 oz. size is perfectly suited to hold all of your drink ingredients along with plenty of ice.