【Glass material】Made of high-transparency glass, corrosion-resistant and high-temperature resistant, ensuring the durability and safety of the blood collection tube. 【Vacuum design】Each blood collection tube is vacuum packed to ensure that the sample is contaminated, the oper-ation is safe and reliable, and meets the standards. 【Clear label】The outer wall of the blood collection tube is printed with clear labels and codes for easy identification and use. It is easy to use, simple, disposable and safe, bringing you a lot of convenience. 【Multiple capacity options】Three capacities of 3ml, 5ml and 10ml are provided to meet different blood collection needs. Suitable for various scenarios such as laboratories and scientific research. 【Affordable】Each set contains 100 blood collection tubes, which is cost-effective and suitable for bulk purchases by institutions and laboratories to save costs.