GISHIKI DETOX-PRO Cat Litter is the next generation of Natural, and science backed litter. With a unique formulation, and an innovative macroporous & microporous particle structure, our litter is extremely effective in odor control, anti-bacterial protection, with 0 formaldehyde - making it safe not just for cats, but also for the household environmental air. It natural formula respects your cats UTI health, Gut health, and being nearly 0 dust - respiratory health too. Fully flushable.