Set of 4 - Prisha India Craft - Premium Quality 100% Pure Copper Jigger Shots Peg Measurer Hammered Style - 30ml(1 Oz) & 60ml(2 Oz) New Beer Bar Collection Double Jigger Measure Shot 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. Double sided jigger - 2 ounce and 1 ounce volumes (2oz, 1oz) 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