The glass iodine flask is made of environmentally friendly glass material, strong and durable, safe and tasteless. Standard capacity: The scale is clear and easy to identify for accurate measurement. bubbles, burrs, smooth and round. When conducting experiments in chemistry class, it is convenient for students in school laboratories to use. Feature - Color: transparent. - Material: glass. - Size: 8.8cm* 5cm* 5cm - Our glass measuring flasks can be widely used in laboratory, education, chemistry, research or applications. - Glass flasks are designed with clear scales, built- in stoppers and large marking areas. - Conical flask, heavy- duty glass with uniform wall thickness distribution, durable and practical. - This Erlenmeyer flask is made of borosilicate glass, with minimal thermal expansion and high resistance to temperature changes. - The laboratory flask glass is resistant to high temperature and, making it an tool in the laboratory. Package includes 1 x Erlenmeyer flask Package list: 2 x Conical Flask