Pettex Clean Paws Super Clumping Cat Litter is a premium microgranule cat litter with superior clumping abilities. Clean Paws comes from the world's only natural source of Sodium Bentonite. As well as being more economical to use due to easier waste separation, it is also environmentally friendly - as with all Pettex Cat Litters. The fine granules are also harder for your cat to track out of the tray, keeping your home tidy and hygienic. A dust-free litter, Clean Paws is also suitable for cats with dust allergies. Read more… It will also control odours effectively and last up to 4 times longer than regular litters.