Beakers are a common type of laboratory glassware that is used for holding and mixing liquids. They are typically cylindrical in shape with a flat bottom and come in a variety of sizes, ranging from a few milliliters to several liters. Beakers are made of borosilicate glass, which is resistant to thermal shock and chemical corrosion, and they can be heated over a Bunsen burner or other heat source. They are commonly used in chemistry experiments for preparing and storing solutions, as well as for measuring and pouring liquids. Beakers are a versatile and essential tool in any laboratory, and they are often used in combination with other laboratory glassware, such as funnels, pipettes, and burettes.