This 25mL conical Erlenmeyer flask is hand-blown from premium borosilicate 3.3 glass with white graduations and includes a polypropylene PTFE-lined screw cap. The flask has a 1.8-inch base diameter and 3.7-inch overall height. Dimensions vary slightly as flasks are hand-blown to capacity. The acid-proof cap is autoclavable and the borosilicate glass is autoclavable and top-rack dishwasher safe with heat tolerances including a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C. Suitable for laboratory liquid storage.