Eats humidity, kills moisture. Maximum protection against corrosion, fogging and mildew. Moisture Muncher capsules fit perfectly into SeaLife underwater camera and smartphone housings as well as other brands of underwater camera housings. The powerful crystals in each capsule absorb moisture to prevent fogging and corrosion of your valuable electronics and cameras. Use inside an airtight storage case or container to create a perfect dry environment for your valuable items.