It is a great product that I would recommend!
We live in an earth-berm house, a house that is buried on all but one side. So it is sort of like living in a basement. Any room that is closed up tends to get musty or even moldy. In our search for solutions, we discovered Humydry. This product works! Check it once a month and replace the crystals as needed and it will keep your closets fresh and dry! There are a lot of camps in our area that people may only visit every other month or so and they use these as well in between visits.