For example, certain brands of coffee should not be exposed to the air for prolonged periods. It does not matter if you have stored the coffee powder or the material in an airtight container.
It is also essential that the container remains airtight for the maximum possible duration. In such a scenario, if you obtain an airtight container and store the coffee powder in that container, but if you forget to keep it closed, you will likely get zero benefits from the entire process.
