The 4 Pack Reusable K Cups for Keurig is designed with the airtight technology. The seal is airtight but will allow steam and hot water to pass through freely for the desired flavor and aroma.
Pros
- It is designed with the best quality material
- 4 Pack Reusable K Cups for Keurig is reliable and long-lasting
- It is very easy to use
Cons
- It is hard to clean sometimes
- After a while, the desired taste may change because of the clogged mesh.