DescriptionThis is a measuring cylinder, which is made of high-quality materials, durable and can be used safely. With a lid, chemical reagents are not easy to leak and oxidation, very safe. The measuring cylinders are for a wide range of settings, including professional laboratories, and school science experiments.Features-Material: Glass. - Made of high-quality glass that features high heat tolerance and and good to excellent chemical resistance.- The clear markings on the sides are easy to read, making the measuring cylinder set for any scenario. - With a stopper, chemical reagents are not easy to leak and oxidation, very safe. - The measuring cylinders are for a wide range of settings, including professional laboratories, and school science experiments. - The thickened measuring cylinder is durable and not easy to break.