Smart Cat Wood Based Cat Litter is of high quality made from recycled wood. It's economical and superb value for money being more absorbent than some other cat litters. The litter quickly absorbs odours, is clean, hygienic and easy to use - it will not cling to your cats paws. To top it off, this litter is very environmentally friendly, organic, chemical and additive free and 100% biodegradable. It can retain its natural woodland pine scent for up to 10 days in the tray.