A Single Size 320 is for:
How to Use:
First remove the clear overwrap from the Boveda, then simply place the unwrapped pack in your humidor and close the lid, it's that easy. Boveda RH automatically restores and maintains humidity in airtight desktop humidors and polymer (plastic) travel humidors and cigar cases.
Don't mix RH (Relative Humidity) levels within the same humidor. And do not use Boveda in the same humidor with other humidification products because they will fight against each other and reduce the efficiency of Boveda.