AVS STORE Handmade hammered Moscow Mule 100% Copper Mug Set of 2 , 2 oz cups Solid copper hammered mug with solid brass handles. 2-ounce Moscow Mule Copper Shot Cups Set of 2 copper Cup 100% Pure Copper Mug Easy to clean, wipe it off with a damp cloth and they are ready to go for next time!