Effective Dehumidification: The Dehumidifier Bags Feature Spherical Calcium Chloride Particles That Can Attract And Absorb Excess Moisture Quickly And Efficiently. Moisture Absorbers Are Designed With A Premium One-Way Moisture-Permeable Paper That Will Securely Lock The Moisture Inside.(When The Temperature Drops Sharply Or The Humidity Is Low, Crystals May Appear Inside The Bag, And No Water Droplets At The Bottom. This Is Normal, Please Be Patient For The Product To Work) | | Visible Dehumidifying Process: The Absorber Bags Capture Excess Moisture In The Air And Trap It To A Large 500Ml Water Storage. The Accumulated Water Through The Dehumidification Effect Can Be Observed Anytime. Dehumidifier Bags Can Be Used For Up To 60 Days (Note: If The Environmental Humidity Is Low, It Will Not Exceed The 500Ml Water Level. Duration Will Vary Depending On Temperature And Humidity). | | Easy To Use Storage: No Assembly Is Required. Each Closet Moisture Absorber I.