BOVEDA | Humidity Control Packs | 8 Grams - 62% - 100 CountBoveda humidity control packs keep moisture in a container at regular levels to ensure the package doesnt lose its scent, color, or quality. As two way humidity control packs, these products can absorb moisture where it is too high or add moisture where it is too low. By simply adding the bag to the container, the moisture in the container will stay at a fair level irrespective of the changing state of the environment. Key Features: Preservation: