Transport tubes are used in multiple sectors of the laboratory market, including medical, hospital, environmental, independent testing, food testing, and biological research labs. Used to store, transport or freeze samples. Vials are made of polypropylene which meets USP Class VI standards. E-beam sterilized, SAL=10-6. Dnase/Rnase free and endotoxin free. Vials are available in 5 mL/10 mL sizes. The self-standing bottom is convenient for handling. Excellent sealing performance, no liquid leakage under pressure of -70kPa, ensuring safe and effective air transportation.