It is made from high-quality clear Boro 3.3 glass, providing durability and resistance to chemicals and temperature changes. Designed with a trapezoidal shape, this Class A volumetric flask ensures high precision for accurate volume measurements. It features a NS 07/16 neck for compatibility with standard laboratory glassware and includes a PE stopper for secure closure. The blue scale makes it easy to read measurements, and batch identification ensures traceability. Sold in a pack of 2, this flask is ideal for precise liquid measurement in laboratory applications.