Features:

1. Made of medical grade polypropylene; Autoclavable
2. Can be repeatedly frozen and thawed.
3. Internal thread, no side barcode.
4. White caps, black graduation printing and white writing area.
5. Gamma radiations sterilized, DNase & RNase free, endotoxin free, foreign DNA free.
6. Stable from -196°C to 121°C (gas phase of liquid nitrogen).