This 16 oz vintage inspired copper mug has a unique antique finish with a brass handle. Alchemade's Copper mug is the mug of choice when serving the infamous Moscow Mule. The copper mug enhances the flavor and keeps the drink colder, longer. Coated in food-safe lacquer resists tarnishing, not microwave or dishwasher safe. A beautiful handcrafted addition to any home bar.