22 oz. Smooth Copperplated Stainless Steel Moscow Mule Mug, Set of 4 High quality copperplated mug features a cast brass handle for a vintage look. Set of 4 makes a great choice when serving the Moscow Mule Resilient clear coat resists tarnishing and stainless steel interior surface is non-reactive and easy to clean Full color gift box Not suitable for hot beverages. Do not microwave. Hand wash only.