Effective Absorbing: Dehumidifier Bags Use Spherical Calcium Chloride To Enlarge The Area To Absorb Quickly. One-Way Moisture Permeable Paper Absorbs Effectively. 500 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. Create A Dry And Comfortable Indoor Environment. | | Easy And Safe: Moisture Absorber Packets Provide An Easy Solution To Protecting Items And Fabrics From Excess Moisture. By Hanging Them Up, Physical Dehumidification Gives You A Safe, Green Energy-Saving Life. | | Compact Design : Hanging Packets Are Designed To Hang In Closets And Other Closed Spaces, Ideal For Us In Bathrooms, Basements, Closets, Laundry Rooms , Refrigerator, Rv, Ship, Etc. | | How They Work: Calcium Chloride Particles Combine With Moisture In The Air And On.