Description Made of PP material, reusable, and practical to use. Standard capacity, clear scale line, easier to identify for accurate measurement. No bubbles, and no burrs, the surface and body is smooth and rounded. More convenient to use for students in school when doing experiments in class or laboratory.Features-Color: As Shown-Material: PP-Capacity: 50mL-Size: Approx. 8.00X5.00X5.00cm/3.14X1.97X1.97in-Simple design: The appearance design of conical flasks is simple and generous, easy to hold.-Standard scale: With precise scale line, for accurate measurement.-Stable base: Round base, for more stable placement, reducing measurement error.-Transparent bottle body: Make it easy to observe the change and residual of inner liquid.-Widely uses: Suitable for education, chemistry, research, or life science applications.Packing list: 5 x Conical flasks