Maithil Art Old Fashion Barrel Copper Moscow Mule Mug Handmade Of 100% Pure Copper, Hammered Moscow Mule Mug / Cup 16 Oz. Set of-4, Hammered Pipe Handle Mug. Handmade solid copper Hammered Moscow mule mug 16 oz,this eye-catching, 16 ounce, authentic moscow mule mug is 100% solid copper throughout, not stainless steel or nickel. Food-safe lacquer coating both on the inside and outside of the mug to protect its natural beauty and luster for years to come. Dia 3.3 inches, depth 3.8 inches, weight - 175 grams Copper keeps drinks ice cold and for longer period than glass mugs Can be used for mojito, apple martini, cosmo, margarita and all cold beverage Do not microwave, wash by hand only