● Made of medical grade polypropylene; Can be repeatedly frozen and thawed

● 0.5ml, 1.0ml, 1.5ml, 2.0ml, and 5.0ml are available

● Self-Standing and external threads

● Vials have a white writing area and black graduations

● Side 1D barcode and human readable numbers, on one vial make identification more convenient than ever

● Gamma radiation sterilized; DNase & RNase free, endotoxin free, foreign DNA free, and heavy metal free

● Working temperature: stable from -196°C to 121°C

● Suitable for liquid nitrogen freezing (gas phase)