Bad Air Sponge Odor Neutralant Neutralizes and Absorbs Odors 14oz (4 X 14 oz) Pack of four 14 ounce cans; Simply remove lid & place in affected area Bad Air Sponge will last a minimum of 45 days Works by neutralizing odor molecules in the air as well as pulling out and neutralizing odors from porous materials and objects Tough on bathrooms, mildew, closets, smoke and decay Made in the USA; Safe for the environment