▶Blood collection volume 3/5/10ml; Test Tubes with Lid are portable and and simple to use, space- saving, and have a wide range of uses. for clinics, laboratories and more. ▶Vacuum blood collection tube are made from glass material. High transparency, allowing you to observe the inside status. glass test tubes with caps are safer and durable. ▶Colored coded label and cap for easy samples identification. The test tubes can meet different experiment needs, can be used for ven-ous blood collection. ▶Designed for direct use in the analyzer without opening the tube, simplifying laboratory workflow. ▶Perfect for veterinary practices, laboratories, and research institutes, these tubes are indispensable tools for conducting experiments and analyses with precision and reliability.