Naturally get rid of nasty odors with OdoBan OdoRocks Odor Eliminator Deodorizer! They’re volcanic mineral rocks with a negative charge that acts like a magnet to attract and absorb unpleasant odors that are positively charged—it’s not magic， it’s science! Designed to absorb odors and moisture naturally in areas up to 600 sq. ft.， these rocks are also environmentally safe and have no added fragrances or chemicals. They work to eliminate odors from pets， smoke， urine， feces， mold and mildew， and are paw-fect for use in your home， office， auto， boat， RV， clothing storage areas and bags， gym bag， bathrooms， bedrooms， closets， laundry rooms or anywhere unpleasant odors exist. Plus， this paw-some rock deodorizer is easy to recharge—simply place the bag outdoors in direct sunlight for six hours， every six to 12 months， to restore its effectiveness.