About This Dehumidifier bags use Spherical calcium chloride to enlarge the area to absorb quickly. One-way moisture permeable paper absorbs effectively. 400 ml/pack large capacity moisture absorption keep dry for a long time. Visible effect: The moisture is contained in a little plastic bag at the bottom. What amazing is that you can see the water added day by day, and really see the effectiveness. Good use for bedroom, Bathroom , Dormitory, Basements,Wardrobe,Closet , bookcase , cabinets, office, conference room , guesthouse etc. Moisture absorber packets provide an easy solution to protecting items and fabrics from excess moisture.By Hanging them up,physical dehumidification creates a drier and more comfortable environment for you. Overview Brand : AOPANDA Floor Area : 2 Inches Color : polo Special Feature : 自动除霜 Capacity : 500 Milliliters Tank Volume : 400 Milliliters Product Dimensions : 1.5"D x 0.7"W x 1.5"H Item Weight : 6.4 ounces Operation Mode : Automatic Manufacturer : AOPANDA