Cats derive a sense of wellbeing from feeling fresh and clean catsan naturelle plus cat litter is made from porous softwood that is reliably absorbent to keep your cats litter tray hygienic this non clumping litter is three times more absorbent and more effective than conventional non clumping cat litter thanks to its softwood grain structure naturally low ph and particular wood properties the pellets absorb the liquid like a sponge and lock in any odours the litter is also soft on your c