Packets of humidity control silica gel in a tyvek packets in a range of sizes.
Manufacturer: Armor Armor Dessicants
Silica gel desiccants will absorb about 40% of its weight in water vapor at 100% humidity. Silica Gel (SiO2 * H2O). Better suited than clay for temperatures above 120°F (49°C) as clay may give up moisture rather than pull it in. Overall, high efficiency and high capacity desiccant.
Stock Silica Gel Tyvek is in sizes from 0.5 gram silica gel packs to 10 grams of silica gel packs.