The Cole-Parmer Glass Erlenmeyer Flasks, 100 mL capacity, are made of high-quality, chemically resistant glass with clear graduation marks for accurate measurements. Designed with a reinforced heavy rim, these flasks offer enhanced durability and safety during heating, mixing, or repeated laboratory use. Supplied in convenient packs of 12, they are perfect for laboratories that require reliable and long-lasting glassware for routine experiments, storage of solutions, or chemical reactions. Compatible with various stoppers and caps, these flasks provide flexibility for different experimental setups, making them an indispensable tool for professional laboratories and educational institutions.