Set of 4 - Prisha India Craft &reg; Premium Quality 100% Pure Copper Jigger, Copper Shot Glasses - New Beer Bar Collection - Double Jigger Measure Shot - Copper Moscow Mule Cocktail Cup, Wine Glasses SET of 4 - Prisha India Craft 100% pure copper shot jiggers glasses - Food-safe lacquer coating helps preserve beauty and luster 100% PURE COPPER - No inner lining or copper plating. These 100% pure copper shot glasses keep your drink cold for a long period of time thanks to the heat conductivity. This jiggers is ideal for making cool, refreshing drinks year round. Not for microwave use. Seamless hygienic interior. Dia 1.75", Height 4.3",capacity 1.6 oz, Weight - 130 grams per pc ORDER WITH CONFIDENCE - We offer a 100% Satisfaction Guarantee! COPPER CARE INSTRUCTIONS : After each use, clean with warm water and soft soap. No hard chemicals or detergents. Dry the copper shot glass with a soft cloth.- Do not leave liquid in the shot glass overnight to avoid stains - Not dishwasher safe - Do not use in microwave - Do not use with hot beverages