The Moscow mule cup is delicately handcrafted from 100% high-quality solid copper in Turkey-Europe. Thanks to the tin lining inside of the copper cup, it can be used safely for drinking water, beer, vodka, wine, and other beverages. This copper pineapple glasses for cocktails are completely natural, safe, non-toxic, and lead-free.The handmade copper drinking tumblers have an antique, unique, and vintage design. Thanks to its elegance, it can be used for decorative purposes as well. It is also a fantastic gift idea for housewarming, anniversary, Christmas, birthdays, and so on.These copper mule glasses are handmade by talented copper masters in Turkey/Europe. With the hammered thicker body these copper cups can be used for a long time.ATTENTION PLEASE:As a metal, copper will tarnish naturally over time. This can be prevented through proper copper cleaning techniques. DO NOT RUB these copper mule mugs with wire or any other kind of hard cleaning materials. Rubbing may lead to scratching the surface of your product and losing its features.Please consider that it is not recommended to store beverages in copper vessels for a long time.