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

● Self-Standing and external threads

● Vials have a white writing area and black graduations

● Three codes, 2D barcode on bottom, 1D barcode and human readable numbers on side, on one vial make identification more convenient than ever

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

● CryoKING Combo: 2D Barcoded Cryogenic Vials and compatible polycarbonate Cryogenic Boxes are available as a set

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

● Suitable for liquid nitrogen freezing (gas phase)