【FOOD-SAFE】Each Moscow mug is made of pure copper with stainless steel lining, ensuring absolute safety for drinking and easy to clean.Copper forms basic copper carbonate in a humid environment.Many experts tout the benefits of drinking water from 100% copper drink ware. The mug features as double wall construction, Which can remain ice frozen for at least 2 hours! 【16 OZ capacity】Our Copper Mug works great for chilled beer, iced coffee, iced tea and any vodka, gin, rum, tequila, or whiskey mixed drinks. The generous 16 oz size is the perfect amount to hold your drink and icecubes 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! 【HANDMADE】 Moscow-Mix Moscow Mule Copper Mugs are Handmade by Experienced Craftsmen - Because of this, no two mugs are exactly identical! From the application of the large handle to the beveled base, the attention to detail when crafting Moscow-Mix mugs is unmatched. 【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. 【Lifetime Warranty】 COPPER MUGS Set 4 - 12 Months Guarantee and Purchase Gifts: Order your 4 copper cups today and get a free 4 pure copper pipette and a measuring jig. We are very satisfied with the process on our cup and you will receive a 12 month money back guarantee. No problem 100% money back guarantee. If you need any suggestions, please feel free to contact us. Order now.