It contains natural active carbon granules, which in turn prevent the occurrence of unpleasant odors. Advanced technology to control unpleasant odors and control them by 70% after use. Activated carbon contains particles with a high absorption power for the elements present in the feces and urine of your pets. This means that unwanted and unpleasant odors will be eliminated. It becomes a thing of the past. It consists of 100% bentonite granules with white granules that control unpleasant odors. 100% natural sand. How to use: Put the sand in a liter box with a thickness of 5cm-6cm. Remove the clumped sand with a scoop daily. Put a little sand daily.