100% PURE COPPER--Pure Copper. These mugs are the real deal--drink the Moscow Mule the way it was meant to be enjoyed, with a handcrafted pure hammered copper mug. With 1000+ 5 star reviews, you can buy these copper mugs with confidence. ICE COLD--Our copper mug will frost up in mere seconds. The pure copper transmits an icy cold experience directly to your lips, and the metal locks in the drink's coolness. We recommend using any copper cleaner cream to keep your mugs looking like new. MAKE YOUR KITCHEN SHINE--These Hammered Copper Mugs will really stand out in your kitchen and impress your friends. The shiny copper exterior glimmers wherever it is placed, and it's the perfect staple for the host or party-thrower. These mugs are externally lacquered to maintain the luster and last a long time unlike other mugs. Beautiful yet functional! Hand Wash Recommended. 16 OZ CAPACITY HAS NUMEROUS USES--Our Copper Mug works great for chilled beer, iced coffee, iced tea and any vodka, gin, rum, tequila, or whiskey mixed drinks. Additionally, many experts tout the benefits of drinking water from 100% copper drinkware. The generous 16 oz size is the perfect amount to hold your drink and ice cubes without worrying about spills. Our copper cups feature a smooth lip that lets you drink in comfort, unlike the sharp edges found on other mugs. Make for a great gift!