Description Are you looking for a creative and practical flask for your laboratory experiment? Our production can meet all your requirements with durable and reliable material for long service time. It is designed with clear scale and exquisite workmanship for high temperature resistance with wide using range. Features - Bottom Color:Transparent. - StopperColor: Random Color. - Material: Glass. - Size:14.00X8.40X8.40 cm/5.50X3.30X3.30 inch. - Made of durableglass material, durable, and odorless. - Standard capacity: clear scale, easier to identify for accurate measurement. - Excellent product quality, with quality assurance. No bubbles, no burrs, smooth and rounded. - More convenient to use for students in school when doing experiments in chemistry class. - With stopper, it is more practical and safer to use when heating. Package list: 3 x Glass Flasks with Stoppers