Serve up some classic Moscow Mules in this one of a kind mug.Improving on the traditional design, this mug has double-walls which prevent condensation from forming on the outside of the mug, so no more table rings. This double-wall construction also keeps the contents colder for longer. To keep the overall look traditional its copper plated and made from commercial grade 304 stainless steel. Capacity:16oz (473ml) capacity. Hand wash only.