![Space Saver](https://www.glasscolabs.com/wp-content/uploads/2018/04/Space-Saver.png)
- Made from Polypropylene
- Used for storage and preservation of frozen samples
- These can withstand ultra low temperature in deep freezers and has removable top lid
- These can be used for upright freezers, drawers & chest freezers with dividers and are laminated.
- Material Polypropylene & Cardboard