The product is a set of 3 Pyrex USA glass beakers in sizes 250mL, 600mL, and 1000mL. Made of borosilicate glass, these beakers are durable and resistant to thermal shock. The Pyrex brand is known for its quality and reliability in laboratory glassware, making these beakers ideal for scientific experiments and measurements. This set provides versatility in size options for various research or testing applications.