100% natural. Made from renewable. Whole kernel corn! Tested & Proven: Flushable (The State of California encourages the disposal of cat feces in trash and discourages flushing feces in toilets or disposing of them in drains.) septic safe. Concentrated power for long lasting performance. Quick clumping. Outstanding odor control. 99% dust-free. 110% performance (Cost savings calculated on regular cleaning of litter based on in home testing. Based on average size cats. Results may vary.). How long does one bag last? 1 cat; 34+ days. 2 cats; 17+ days; 3 cats; 11+ days. Which Formula is Right for You and Your Cat? Clumping Formula: With outstanding odor control and tight clumping ability, this formula is ideal for homes with 1 or 2 cats. Multiple Cat Clumping Formula: With an added all-natural plant material for enhanced odor control, this formula is ideal for homes with 2 or more cats. Lavender Scented Multiple Cat Clumping Formula: Made with 100% all-natural scented lavender oil, this formula is ideal for cat owners who prefer their cat litter to be scented. Forest Scented Clumping Formula: Made with the additional of 100% natural wood fibers, this clumping formula is ideal for cat owners who prefer a fresh forest scent. Concentrated Power for Long Lasting Performance: Save time and money with World's Best Cat Litter - the only litter that uses the naturally concentrated power of whole-kernel corn to guarantee long lasting performance and easy cleanup. See what a difference one bag makes! Quick clumping. Outstanding odor control. 99% dust-free. Easy scooping. Pet & people friendly. Planet friendly. Some cats prefer to have their litter change gradually. Start with only a third of World's Best Cat Litter added to your current litter. Then, once your cat is more familiar with it, change to two-thirds. After that, use only World's Best Cat Litter. World's Best Cat Litter is made from renewable whole-kernel corn (The corn used in World's Best Cat Litter is a renewable resource that can be replenished on an annual basis) and other natural ingredients for high performance. Like all grain-based products, it should be stored in a sealed bag or bin. The area should be kept cool, clean and dry. It's What's Inside: World's Best Cat Litter is the only litter that uses naturally absorbent whole-kernel corn to offer outstanding odor control, quick clumping and easy scooping. Our formulas are 99% dust-free and deliver the concentrated power of corn to ensure long lasting performance. Finally, the 100% natural solution that truly works - guaranteed or your money back! Money back guarantee. Give Litter: We support cat adoption & shelters. For additional information and helpful hints, visit us online at www.worldbestcatlitter.com. Questions or comments: Toll-free 1.877.367.9225 (Mon.-Fri., 8am-5pm CST). Made in USA.