Superior odour control - proven to neutralize odour Fast clumping action - super absorbent - quicker to clean 100% natural & biodegradable - kinder to the environment Low dust - easy to manage, less mess In a nutshell, Nature's Calling Cat Litter offers incredibly effective odour control* that's not only fast clumping and low maintenance but also 100% natural and totally biodegradable so that it's great for the environment too. Superior Odour Control Proven to neutralize odour* Made from the re-claimed lining of the walnut shell, this blend of fibrous material has been proven to neutralize odour better than many other cat litter formulas*. Fast Clumping Action Super-absorbent, quicker to clean, flushable Fast action formula, clumps on contact to form hard clumps within 15 minutes. This makes cleaning simple and quick. Clumps formed by Natures Calling have been certified as "safe to dispose of by flushing in toilets"** 100% Natural & Biodegradable Kinder to the environment Not only is Nature's Calling 100% natural and biodegradable, but it comes from annually renewable resources so it's much kinder to the environment. Low Dust Easy to manage, less mess Virtually dust free, Nature's Calling doesn't contain any harmful chemicals or toxins so it's safe for you and your cat. It shouldn't stick to your cat's paws so they won't leave a trail of litter behind them. *Comparative testing for ammonia **Flushable - Nature's Calling has been certified as "safe to dispose of by flushing in toilets". It is recommended that a maximum of 480ml of Nature's Calling can be flushed at a time.Superior odour control - proven to neutralize odour, Fast clumping action - super absorbent - quicker to clean, 100% natural & biodegradable - kinder to the environment, Low dust - easy to manage, less mess