One Solid Pure Copper Antique Finish Hammered Moscow Mule Mugs 16 Oz Mmm6 Manufacturer - Deals On The Planet. Capacity: 16 OZ Height: About 3.75 inches; Diameter: About 3.25 inches at top Made of Pure Copper with Brass Handle (Not Copper Plated) Antique Finish on Outside. Not for microwave purposes Wipe clean with warm damp cloth and dry clean