Thanks to the innovative action of Bacillus probiotics and the particular natural active ingredient, it inhibits the formation of ammonia responsible for bad odors, meeting a cat's hygiene needs for 3 months. Eco-friendly litter for cats, rabbits, rodents, ferrets, and reptiles Eco Clean Probiotic Litter is made from special highly absorbent and clumping plant fibers that thicken upon contact with liquids, creating an easily removable 'ball.' 10-liter format (3.8Kg), lasts 80/90 days of hygiene following the usage instructions on the package.