World's Best Cat Litter Advanced Natural High Performance Clumping Pine BlendEnjoy the scent of a pine cat litter with the added power of high performance clumping! Made with a blend of naturally absorbent plant fibers and real pine, Advanced Natural - Pine Blend is the multiple cat strength litter that promises fast and easy cleanup with a clean pine scent! Available in 6 lb, 12 lb and 24 lb bags. Advanced Natural clumping cat litter quickly traps solids and liquids into small clumps that don't break up. That means less wasted litter and easier scooping for you! Made with 100% natural and renewable plant fibers, Advanced Natural clumping cat litter offers a truly sustainable solution that is safe for your entire family! No chemicals, no additives and no worries!Advanced Natural clumping cat litter contains natural starches and fibers that are capable of absorbing large amounts of liquid in small easy-to-scoop clumps. Because Advanced Natural clumping cat litter quickly locks in solid and liquid waste in small clumps, you use less litter to maintain a cleaner litter box. A single bag can last one cat more than 30 days! Unlike traditional clay-based clumping cat litters, Advanced Natural is made of natural and renewable plant-based materials. Rest assured that our ingredients are never mined or drilled. Tired of lugging around heavy clumping cat litters? Advanced Natural uses lightweight plant fibers to deliver high performance at a low weight. It's tough on odor and easy on your shoulders!