Extremely moisture absorption: These rechargeable dryer packages absorb all moisture in the air. Helps keep your items dry and . It eliminates cold moisture even in very humid conditions. Charging in minutes: Our dryer packages are charged! After the air is absorbed moisture, the point that changes the blue color at the front of the dryer package turns to the pink. You can charge the package to blue in minutes with instructions! Safe storage: Drying packages create a protective environment for storage to prevent all kinds of rust, corrosion, oxidation, mist and other moisture damage. : Simply put your items in boxes and containers of up to 200 gallons with dryer packages. It will protect your belongings from moisture and other damage. WIDE USE: You can protect your documents and files, memories and photos, art and crafts materials, clothes and baggage, s and drawers, sensitive electronic devices, and many other valuable goods.