Shot glasses are small drinking vessels designed to hold and measure a specific amount of alcoholic beverages, typically spirits or liqueurs. They are characterized by their small size, usually holding between 1 to 2 ounces (30 to 60 milliliters) of liquid. Shot glasses are often used to serve and consume "shots" of alcohol, which are small, concentrated servings.
Shot glasses come in various materials, including glass, plastic, ceramic, or metal, and they can have different shapes and designs. Some shot glasses are plain and utilitarian, while others may be decorative or customized for specific events or locations. The bottom line is that shot glasses are a common barware item used to facilitate the consumption of small, potent amounts of alcoholic beverages.