Libbey Drinking Copper Cups for Moscow Mules: Whether whipping up your favorite ginger beer cocktail or serving a cold soda, this copper water cup is the way to go. Each copper tea cup features a nonreactive stainless-steel lining for safety and durability, making them ideal for enjoying a variety of chilled drinks. The copper exterior of the drinking mug for Moscow mules is great for keeping beverages like iced tea, water, or cocktails colder for longer. With their smooth and polished finish, these copper drinking glasses create a striking addition to any bar cart or kitchen display. These copper glasses for Moscow mules feature a large sturdy handle that prevents spilling, making each sip smooth and mess-free. This drinking mugs set includes four 14-ounce glasses, each measuring approximately 4 inches in diameter (including the handle) and 4 inches in height. These metal cups should be hand washed only—proper care and handling will help preserve their charm and longevity for years to come. Whether for entertaining, everyday use, or as a Moscow mule gift, this classic metal cup offers timeless style and lasting quality.