Description This item is a professional flask. Heavy duty glass uniform wall thickness distribution, and practical. Solid base design, for more stable placement, reducing measurement error. The clear white scale can help you measure more accurately. Widely used in schools, , scientific laboratories and other fields. Features - Color: Transparent. - Material: Glass. - Size: 14.80X8.50X8.50cm/5.82X3.34X3.34inch. - Capacity: 150ml. - The borosilicate glass Erlenmeyer flask has High chemical durability and low thermal expansion. - Clear scale: erlenmeyer flasks have clear and accurate scales for you to measure liquid efficiently. - Made of solid thick glass and have a good feeling. Reusable and solid quality, not easily broken. - Erlenmeyer flasks are for yeast culturing, mixing solutions, or running sample trials for beer or wine preparations. - Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass Erlenmeyer flasks. The borosilicate glass Erlenmeyer flask has High chemical durability and low thermal expansion. Clear scale: erlenmeyer flasks have clear and accurate scales for you to measure liquid efficiently. Made of solid thick glass and have a good feeling. Reusable and solid quality, not easily broken. Erlenmeyer flasks are for yeast culturing, mixing solutions, or running sample trials for beer or wine preparations. Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass Erlenmeyer flasks.