Conventional clumping cat litter incorporates ultra-absorbent bentonite clay, and though bentonite can be a natural material, it's not biodegradable and thus is not classified being a "natural" cat litter.  In any event, you would be intelligent to pick a clumping cat litter in a texture your kitty approves of — https://erickrvzdh.bloggip.com/31831640/pet-supplies-dubai