Perfect for serving the 1950s classic cocktail of lime juice, vodka, ginger beer and plenty of ice, or for any cold drink, our Moscow Mule mugs have an oversized curved handle for a firm grip that won't let your hand get cold. Mix and match copper, stainless steel, gold and graphite mugs. Perfect for serving the 1950s classic cocktail of lime juice, vodka, ginger beer and plenty of ice, or for any cold drink, our Moscow Mule mugs have an oversized curved handle for a firm grip that won't let your hand get cold. Mix and match copper, stainless steel, gold and graphite mugs.