Durable Plastic Erlenmeyer Flasks Set 50 mL, 100 mL, 250 mL, Ideal Starter Laboratory Set Versatile and Reliable These scientific conical flasks are suitable for the mixing and preparation of any sample, can be used to store chemicals or mixtures Leakage Proof The narrow mouth erlenmeyer flasks are assembled with caps, prevent liquid reduction from volatilization Sturdy & Stable Plastic lab flasks are made of good materials that prevents being shattered. Strong and durable. With a stable bottom and high transparency Visibility & Accuracy Translucent walls make liquid levels easy to see. The scale on the surface of the graduated flasks is clear, allowing precise volume measurement to ensure the accuracy of the experiment Applications Widely used in scientific laboratories, education, industrial research and development, etc. Package Include 50 mL Plastic Erlenmeyer Flask x 1 150 mL Plastic Erlenmeyer Flask x 1 250 mL Plastic Erlenmeyer Flask x 1