The pocket-sized version of the classic Moscow Mule mug holds two ounces of said concoction, or of something stronger. Hammered copper catches the light to twinkle jovially in your home kitchen or at a party. Copper and stainless steel Food-safe Holds 2 oz Hand wash recommended The only thing more fun than a Moscow Mule is a mini one! These miniature copper mugs are a playful upgrade from your standard shot glass and bring Twine’s classic rustic farmhouse style to your home bar.