These high quality, 100 percent pure copper mugs with brass handles keep drinks super cold and look very stylish. Ideal for any chilled beverage, besides making a nice gift. Enjoy the mug with classic cocktail of 1 oz vodka, 4 oz. ginger beer or ginger ale, 1 oz lime juice, garnished with fresh mint and slice of lime. Wash by hand with warm soapy water and dry with a soft towel. Do not place in microwave oven.