Desiccants by DryTote. Details:Specifically designed for storage bins, these 100 gram desiccant packs will help keep your stuff moisture free. Protect your documents and files, memories and photos, arts and craft supplies, clothing and luggage, safes and drawers, and sensitive electronics. Designed for bins and totes up to 200 gallons in size, these will help keep your belongings moisture free for years. The best part about DryTote desiccant packs is that they are rechargeable! When they have absorbed all the moisture from the air that they are able to, the blue color changing dot on the front of the pack will turn pink. Simply follow the directions on the back to recharge the pack to blue in minutes! Designed by a 20-year disaster responder who has seen the damage that moisture can do to people's belongings, these high quality desiccant packs will help protect YOUR belongings.