Designed with both functionality and safety in mind, these flasks are made from materials that can withstand high temperatures exposure. The included lids help to prevent evaporation of your samples, ensuring the integrity of your experimental results. The plastic material is both lightweight and robust, making it a practical choice for any lab environment. Features -Color:Transparent -Material:Plastic -Size:10.70X6.50X6.50cm/4.21X2.55X2.55in -Capacity: 100 ml -Stability and safety: the unique design merges the benefits of a conical flask and a flat bottom flask, providing a stable and secure base for experiments -Spillproof lid: the included lid helps to prevent liquid spills, maintaining a clean and accurate experimental environment -Rapid evaporation: the triangular shape design increases surface area, facilitating faster evaporation and enhancing efficiency -Durable construction: made from hightemperature resistant materials, ensuring the reliability and stability of your experimental results -Wide range of uses: suitable for chemistry, biology, and medical experiments, this flask meets the needs of various scientific fields Package list: 5 x flasks