100% Biodigradable Made from natural softwood and completely biodigradable. Cansan absorbs before odours develop Natural odour prevention Always clean and natural Fine-pored wood granules Catsan Natural wood offers your cat a litter tray thats always clean and provides natural protection against unpleasant odours. The fine pored wood granules absorb liquid like a sponge. The special wood essences and the naturally low ph prevents the formation of bacteria and odours 3 times more effectively than conventional litters.