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We humans have a long history with cats. But the history of cat litter is relatively short. For millennia, nothing worked. In 1947, clay litter was introduced. ... It didn't work. In the 1980s, clumping clay litter was introduced. It was better, but not ideal. So soon after, they set out to scientifically develop the absolute best solution for dealing with cat waste. They found the answer in the naturally absorbing properties of whole-kernel corn.
The result is World's Best Cat Litter™, the ONLY litter with a patented formula that harnesses the microporous power of whole-kernel corn to control odor better, absorb moisture faster, clump tighter, and last longer than all other litters—while providing a 100% renewable, 100% biodegradable cat litter that is pet, people, and planet safe.
After all, when it comes to controlling cat odor, there's no such thing as "good enough." With a patented odor-control and clumping formula, World's Best Cat Litter™ is scientifically proven to deliver:
Since 1998, there's been nothing else on the market like it. With HIGHLY SUPERIOR PERFORMANCE, proven benefits, and 100% all-natural ingredients, World's Best Cat Litter™ is the only litter that can call itself "the best."
Today, World's Best Cat Litter™ is produced by GPC Pet Products in Muscatine, Iowa. Their clumping cat litter enterprise was founded on more than sound science. It was founded on a love for cats—indeed all pets—a respect for their communities and a responsibility to our planet. That is why they are committed to giving to programs that further and enhance human-pet relationships, community viability and earth-friendly sustainable practices.