World's Best Cat Litter Multiple Cat Clumping Formula. Switch to the concentrated power of corn. Made from corn kernels that are naturally absorbent, the clumping formula has outstanding odor control and forms tight clumps which don't stick to the bottom or sides of the box. It is quick clumping, easy to scoop and ideal for homes with more than two cats. 100% natural, environmentally friendly and biodegradable.
