“Not only is this waterproof from the inside, it’s also water proof of the outside as I recently discovered when my toilet overflowed. I find this box is usable after three months with one cat change the litter monthly. Highly recommend.”
“Using disposable litter boxes that can be replaced regularly ends the need for unpleasant scrubbing of plastic litter pans. These moisture resistant lined cardboard litter boxes work better than plastic ones and help control odor.”