The Home Store Moisture and Odor Eliminator/Absorber with Charcoal *4pack* 4 PACK SAVINGS!! 9.8 OZ in each tub& lasts up to 60 days Spill proof container with new space saving design Traps excess moisture Eliminates tough odors Prevents water damage in closets,drawers, cupboards, equipment rooms,boats & rv's, store rooms, basements, medicine cabinets, silverware storage, showers, electric and electronic storage and under the sink