Mikasa Moscow Mule Copper Barrel Mug with Brass Handle, 16-Ounce This mug is ideal for enjoying cool, refreshing drinks year round 16-ounce barrel mug with brass handle; copper exterior; food-safe nickel interior Measures 3-1/4 Inch wide and 4-Inch high Made of copper and brass Hand-wash with warm water and a mild detergent; rinse ,do not soak and dry immediately