● Self-Standing and external threads
● Vials have a white writing area and black graduations
● 1D barcode and human readable numbers on side
● CryoKING Combo: 2D Barcoded Cryogenic Vials and compatible polycarbonate Cryogenic Boxes are available as a set
● Gamma radiation sterilized; DNase & RNase free, endotoxin free, foreign DNA free
● Working temperature: stable from -196°C to 121°C
● Suitable for liquid nitrogen freezing