The glass measuring cylinder is made of 3.3 high borosilicate glass, with three specifications of 25 mL, 50 mL, and 100 mL grouped together. The hexagonal base is anti roll and the white scale line has an accuracy of ± 1%. The pouring port is designed to prevent liquid from hanging, allowing for direct observation of the liquid level's crescent; Equipped with a blue scale back panel for clearer readings. Heat resistant to 200 ℃, can be heated in boiling water bath or alcohol lamp, meets various experimental needs such as precise measurement, density determination, dissolved oxygen titration, etc. in the classroom, and is essential for basic physical, chemical and biological experiments.