In the 1940s vodka became introduced to the mainstream by way of the Moscow Mule, traditionally served in copper mugs just like these. Smirnoff was the choice spirit for this popular drink, and by the 1950s vodka was the best selling liquor in America. This replica is 100% copper and is available with or without a Moscow Mule graphic. It holds 16 ounces. Built for those that want to experience authenticity, expand their collection, or add decorative accents to their bar.Care: Hand wash only with mild dish detergent, avoid contact with bleach, degreaser and harsh detergents. No machine washing. Must hand dry immediately to avoid spotting or patina. Note, there are also several different natural remedies for keeping your copper mugs looking their best and tarnish free by caring for them properly. Note: Glasses are sold individually, the picture shows the cups at different angles. Order 4 or more for super discounted pricing!