Description Safe and durable teat tube are made of good plastic material, more resistant to crack and break,and can easily grasp test tubes thanks to the perfect size. These teat tubes are great for scientific experiment, c an exercise hands-on ability, increase your interest in learning and exploring knowledge. Features -Color:White -Material:Plastic -Size:10.00X2.00X1.50cm/3.93X0.79X0.59in -Capacity: 10ml - The test tube is sturdy, anti-corrosion and durable in use. Widely used in scientific experiments. - The lightweight and compact design of the test tube makes it easy to transport, use and store. - These test tubes are perfect for scientific experiment, Christmas decoration, crafts projects, etc. - The transparent tube allows for the easy visualization of color changes, making it easy to observe the results of various experiments. - The clear tube is convenient for you to use, sufficient quantity enough to meet your daily use needs. Package List20 x tubes