This is a plastic flask is of conical -shaped with an open design . The body of the container has the numerical scale, so you can easily read milliliters. The design is simple and elegant, delicately made with exquisite workmanship, with stable material. Features - Color: As Shown.- Material: PP.- Size: About 8.00X5.00X5.00cm/3.14X1.97X1.97inch.- High-quality material, no smell, no harm, safe and eco-friendly. - Compact size and light weight. Easy to store and carry. - Wide mouth design makes it more easy to clean and refill liquid. - Unique design can prevent spatter of liquid from bottle. - More convenient to use for students in school laboratory when doing experiments in chemistry class. Packing list: 10 x Plastic Flasks Z