These Moscow Mule Mugs by Godinger are sure to impress your cocktail party guests. Each handmade mug is double-walled for insulation, to keep drinks your cocktails chilled. The copper-plated mugs are traditionally used to serve Moscow Mule cocktails as well as other classic chilled cocktails such as Mint Juleps, Rum Punch and even Margaritas. The set includes stainless-steel straws, perfect for sipping icy refreshments. The mugs can also be used to serve warm beverages including tea and hot cider.