Cat Litter Deodorizer Neutralizes unpleasant odors Freshens room air Prolongs the time you can use your cat litterDirection for use:Sprinkle 25g (about 3 level table spoons) into the bottom of the litter tray and then mix well with 500g cat litter. Stir and mix again after 2-3 days to increase effectiveness. The deodorizer is harmless for humans and animals Packaging: 425gm per Bottle