Made of high-quality plastic material, durable and practical to use. Standard capacity, clear scale, easier to identify for accurate measurement. No bubbles, no burrs, smooth and rounded. More convenient to use for students in school when doing experiments in chemistry class. Features - Color: Translucent. - Material:Plastic. - Size: 8.50X5.50X5.50cm/3.34X2.16X2.16in. - Capacity: 50ml. - Product appearance design is simple and generous. Standard scale line for precise measurement. - Widely used in education, chemistry, research or life science applications. - The sturdy and stable base design makes the placement more stable and reduces measurement errors. - The semi-transparent bottle design is convenient for observing the changes and residues of the internal liquid. - It is manufactured with professional technology to ensure the of the product and can work for a long time. Packing list10 x Plastic Flasks