World's Best Cat Litter Advanced Natural Pine Blend Formula is made from natural plant fibers, and offers quick and lasting protection against litter box odors. Made with ingredients that are pet and people safe as well as safe for the planet, this litter also clumps well for easy clean-up and makes litter box odors a thing of the past. Features: Outstanding odor control High performance clumping Lightweight Long-lasting Material: Natural Plant Fibers Environment Type: Indoors Species: Cats Color: Tan Package Weight: 24 lb Caution: Do not flush feces in toilets or dispose of in drains. Cleaning Instructions: Maintain 2-3 inches of cat litter in the box at all times for long-lasting odor control. Size: 24 Lb.