Tiger54 Pure Copper Antique Finish Moscow Mule Barrel Mug, 16oz - Pack of 4 Premium handcrafted copper mugs with food safe lacquer finish on the inside Great for Moscow Mules, beer and hard drinks Keeps your drink ice cold for a long time! Excellent, aesthetic addition to your tableware collection Quality Assurance: If you are not completely satisfied, we offer a hassle-free money back guarantee Capacity: 16 oz (500ml)