Multi-Cat Premium Clumping Wood Natural Cat Litter with öko+ has even more odor-blocking power using naturally formulated patented technology designed to combat unwanted stink. From urine to doo-doo, this powerhouse tackles it all, making it the perfect litter for homes with more than one cat. okocat® Multi-Cat Litter is built for multi-cat households that want a cleaner, healthy litter box and a fresher home. Natural wood fiber absorbs liquid quickly and helps stop odor-causing enzymes before they turn into ammonia, which is especially important in multi-cat households.