Nature's Calling Cat litter provides exceptional odour control with fast-clumping, low-maintenance features. It is a natural, biodegradable product which is produced from the lining of walnut shells. It is extremely effective at neutralizing odours and absorbing ammonia, and clumps together quickly on contact - making removal a breeze. Nature's Calling is an innovative cat litter that is up to 6 times more odour-binding than conventional litter. It also quickly forms clumps on contact with liquid, allowing you to keep the litter tray clean and fresh for up to 30 days by simply scooping out the faeces. Nature's Calling Cat Litter is made from 100% walnut shells, which means it hardly creates any dust and is completely biodegradable. Walnut shells decompose gradually over time, are 100% natural and produce no waste. This not only makes your cat happy, but also the environment. Nature's Calling Cat Litter at a glance: Innovative clumping litter for the litter tray. Made from 100% walnut shells Free from silica, chemicals or artificial flavourings. Rapid clump formation Forms solid clumps on contact with moisture within 15 minutes. Particularly economical 3x more economical in consumption than conventional litter. Strong odour binding Up to 6 times stronger odour binding than conventional litter. Long-lasting freshness: complete replacement of the litter only necessary after 30 days Made from 100% walnut shells: completely biodegradable Does not dust: clean toilet environment Practical bag: with handy handle for easy emptying.