Standard clumping cat litter is made up of ultra-absorbent bentonite clay, and though bentonite is often a natural substance, it isn't biodegradable and thus isn't classified as a "natural" cat litter. Check Selling price Examine Value at Walmart Very long-lasting Base Line Dust totally free, effortless-to-cleanse cat litter from a https://www.petskyonline.com/search/?query=cats%20best%20litter