Low Dust, Low Tracking & Organically Neutralizes Odors Naturally Fresh Quick Clumping Walnut Shell Cat Litter is proven to absorb 3x better than traditional clay litters without sacrificing odor control. The 100% walnut formula is low tracking and low dust to keep your litter area cleaner. Unlike clay formulas, this litter has no silica dust which means less lung, throat and eye irritation for your cat and your family. This bag is ideal for a 1 - 2 cat household and lasts 3 times longer than comparably sized clay litter bags. Try a litter that is super-absorbent, that forms hard clumps fast, doesn’t stick to the litter box, and wipes out ammonia odors naturally!