DescriptionMade of environmental-friendly high borosilicate glass material, durable, safe and odorless. Standard 100ml capacity. No bubbles, no burrs, smooth and rounded. More convenient to use for students in school laboratory when doing experiments in chemistry class.Features- Color: Transparent.- Material: Glass. - Size: 22.50X6.00X6.00cm/8.84X2.36X2.36in.- Capacity: 100ml. - Made of high-quality and environmental-friendly material, durable and practical for long time use. - Suitable for beginners or professional to use, easy to wash, clean and maintain. - Transparent bottle body design makes it easy to observe the change and residual of inner material. - Suitable for students and teachers when they are doing experiments in chemistry class. - Light in weight, easy for you to store and carry, will not take much space of laboratory.