Rust-Oleum 7651353 Moisture Grabber XL, 35.3 oz, Solid

Concrobium moisture grabbers are a desiccant product designed to protect surfaces and possessions against, moisture damage, musty odors, rust and corrosion. As they absorb moisture, concrobium moisture grabbers XL stay dry pouches will expand and will take on a gel-like consistency. When the pouch feels heavy and saturated with water, discard in the trash and replace.