World's Best Red Multiple Cat Litter is made with a natural plant ingredient for even more outstanding odour control, this multiple cat clumping litter is easy to scoop and proven flushable for simple clean-up. Having more than one cat shouldn’t mean you have more to worry about it. Your cats deserve the best clumping cat litter. So get more out of every bag with 2X longer-lasting performance. Lightweight and 99 percent dust-free - naturally free of silica dust, this lightweight kitty litter offers low crawling and less mess, so you and your cats can breathe easily.