These small test tubes are ideal for storing liquids, cells, powders, and other materials. The cap design a good sealing effect, providing samples. These sample tubes are easy to take and work chemical and scientific research laboratories, providing you with a reliable and convenient storage solution. Features -Color:Transparent -Material:Plastic -Size:8.50X2.70X2.30cm/3.34X1.06X0.90in -Capacity: 25ml -These small test tubes are crafted from sturdy materials that can withstand prolonged use without bending or breaking. -The cap design of these test tubes that they are airtight and leak-proof. -These testing tubes are easy to identify the contents inside, saving time and efforts. -Small vials are suitable for use in experiments, hospitals, and other applications that require the storage of samples. -These testing tubes are compact and easy to transport, suitable for use in various fields, including chemistry and the pharmaceutical industry. Package list: 20 x testing tubes with caps