This convenient, easy to use litter box actually makes your litter work harder. Made from 100% recycled paper, Wonder Box actively helps neutralize ammonia gases and allows air to flow-through, keeping both the litter and the box drier. Odor control is exceptional, eliminating the need for disinfectants and aerosols, which makes cleanup quick and simple. Made of 100% biodegradable recycled paper. More sanitary than a regular, plastic litter box. Works with litter to help control tough odors. Will not leak, tear, or shred. Each Wonder Box lasts up to four weeks. Trusted and recommended by America's top breeders and veterinarians. Use it as a disposable litter box. Perfect for use anywhere at home or when traveling. Air-filtration system keeps litter drier so it lasts longer. Makes cleanup simple and sanitary. Easy disposal, also safe for landfills. Use it as a litter box liner. Ideal for litter boxes, cages, and carriers. Works best with large litter boxes. Keeps area around the litter box clean and sanitary. You never have to wash your litter box again!