Simply Pine™ is 100% all-natural pine, with no chemicals or other additives, and soft cracked pine pellets that are easy on cats' paws. These cracked pine pellets are 100% biodegradable, for easy and eco-friendly disposal, unlike traditional clay litter. Simply Pine™ litter is low-dust so it's healthier for your cats and the people in your home, plus you won't get that annoying dusty cloud that comes with clay litter. It is kiln-dried to remove any volatile oils.