These 250ml graduated cylinders are made from borosilicate glass and are supplied with a removable hex base and bumper guard. The hex base provides stability and the bumper guard helps to absorb shock and avoid breakage. Sold in a case of 36. Product warnings warning: this product can expose you to chemicals including styrene and lead which are known to the state of california to cause cancer birth defects or other reproductive harm. For more information go to www.P65warnings.Ca.Gov. Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
