Bentonite cat litter is made of main bentonite material by purifying. It's non-dissolvable in any solution, non-poisonous, possesses strong water-absorbing and cohesiveness ability.Our cat litter is made of highly absorbent and non-toxic bentonite. It lets you scoop odors away, leaving your litter box clean and fresh. Its special clumping granules quickly absorb liquid while lasting weeks longer than conventional litter. Your cats will be delighted at the natural, hygienic and fast clumping product. Appearance: Granular-Free flowing with no foreign objects Density: 0.8-1.0g/ml Compressive strength: 10N min Clump assessment: 88% of clump remaining+/-10% after 15 sec on shaker Size: 0.5-3.5mm 99%min Absorption: 2.5ml/g-10% Ammonia present: 500ppm+/-10% after 5 minntes Moisture: 9.0% max PH value: 8.0-9.0 Clump size Diameter: 5.0-6.5cm