About this item:
This Glass Measuring Cylinder with Perfect design, is shatter-proof： Different from other glass cylinders, this lab cylinder with plastic base and bumper guards which can anti-falling to the maximum extent. 
The Measuring Cylinders are Made From Thicken 3.3 borosilicate glass:3mm thick glass cylinder wall, which with better heat resistance and longer use time. 
The Graduated Cylinder with Excellent chemical resistance: Can be used as a reaction container for strong acids and alkalis. 
The Lab Cylinders with Clear reading lines: Molded-in graduation lines on the back of the cylinders ensure easier, more accurate fluid level readings. 
The Glass Cylinders Come with one cylinder brush: the package comes with one cylinder brush, and the cylinder can be used again after cleanup.