Completely eliminates odours. Clumping litter. Fully flushable from either sewer or septic toilets. 100% biodegradable wheat grain. Chemical & additive-free. Wonder Wheat Cat Litter totally eliminates odour and is 100% biodegradable wheat grain. It has no chemicals; is fully flushable and has safe clumping. Wonder Wheat is 100% Australian owned and grown. It is the unique milling process of the wheat grain that eliminates the urine odour, organically! Wonderwheat Cat Litter works naturally, without the use of chemicals, additives or cover-up perfumes. Unlike clumping clay, which contains sodium Bentonite, (an inorganic clumping agent) which can contribute to respiratory disease and other health problems. WonderWheat Cat Litter is so safe, the granules can be eaten without any harm to your pet. WonderWheat Cat Litter is 100% feline friendly and is recommended by Cat Lovers, Cat Breeders and Veterinarians.