EFFECTIVE ABSORBINGNatruth dehumidifier use Spherical calcium chloride to enlarge the area to absorb quickly. One-way moisture permeable paper absorbs effectively. Large capacity moisture absorption keep dry for a long time. THEIR WORKING PRINCIPLECalcium chloride particles combine with the moisture in the air. Once they are completely solidified, the particles will dissolve and become transparent gel. Please be patient for the process, it may take some time. EASY & SAFENatruth moisture absorbing bags provide a simple solution to protect items and fabrics from excessive moisture. Our wardrobe dehumidifier can handle damp clothes or moldy odors very well. VISIBLE EFFECTUse our dehumidification bag to manage humidity. Be surprised at how effectively it eradicates the horrible stale damp smell. Be surprised how much damp it can collect. COMPACT DESIGN The dehumidification bag is designed as an independent small package that can be placed freely in closets and other small enclosed spaces, making it perfect for us in bathrooms, shoe cabinets, wardrobes, laundry rooms, basements, RVs, and other places.