Voted "Best Buy Litter 2006" and "Highly Commended Litter 2007/08" by Your Cat magazine, Cats Best OkoPlus is the only wood based clump-forming, biodegradable eco cat litter on the market. Made from 100% pure organic fibre, it binds liquid and odour effectively inside the fibre and boasts up to 3 times higher yield than mineral-based cat litters. It is compostable and 100% biodegradable, and, depending on local disposal laws, can be disposed of safely via your toilet.