- Made of durable cardboard.
-Protective cover of the box is non-frost and easy to resist moisture, low temperature tolerance.
- Temperature range from -196℃ to 121℃ (Also can be used inautoclave).
- Transparent cover designed for easy observation of the sample in the box.
- Can be used for liquid nitrogen storage after hole drilling.
- Removable grid strip (with writing area), easy to label on the surface.
- White, pink, blue, green and yellow totally 5 colors are available.
- Suitable for all standard freezer racks.