Made from biodegradable corn with clumping technology. Once soiled, the litter forms scoopable clumps. Clumps are easily discarded, you can even flush them in small quantities. Absorbs 4 times its own weight in liquid, with great odour control too. 2013 Australian Business Awards Best New Product and Product Innovation recipient. Why Wee Kitty will be the best litter you've ever used: Biodegradable: Naturally made from corn. flushable and safe to mulch or dispose in your garden, paw friendly & virtually dust free, removes all odour within 5 minutes, litter lasts 7 times longer than others, pellets absorb up to 4 times their weight in liquid! Clumping Action: You only dispose of soiled litter, not the whole tray.