Description Made of glass material, durable, and practical using. Standard capacity: clear scale, easier to identify for accurate measurement. No burrs, smooth and rounded. More convenient to use for students in school when doing experiments in chemistry class. Features -Color:Transparent -Material:Glass -Size:10.00X6.00X6.00cm/3.93X2.36X2.36in -Capacity:100ml -These glass flasks have professional and practical design, which can prevent spatter of liquid from bottle effectively. -Wide mouth design makes it more easy to clean and refill liquid, clear enough for you to read the data with precise scale design. -Compact size, convenient and easy to store and carry. It won' take up many spaces on the desktop or in the drawer. -Suitable for students in school laboratory when doing experiments in the chemistry class, good seal can protect the liquid very well. -Made of premium material, safe and durable for use, especially the students can use it with ease. These glass flasks have professional and practical design, which can prevent spatter of liquid from bottle effectively. Wide mouth design makes it more easy to clean and refill liquid, clear enough for you to read the data with precise scale design. Compact size, convenient and easy to store and carry. It won' take up many spaces on the desktop or in the drawer. Suitable for students in school laboratory when doing experiments in the chemistry class, good seal can protect the liquid very well. Made of premium material, safe and durable for use, especially the students can use it with ease.