Catit Go Natural Wood litter is 100% natural, completely biodegradable and made of FSC-certified wood from sustainably managed forests, using renewable energy sources. The litter is highly absorbent by nature and free of chemicals, so it is kind to cats and kind to the planet too! Catit Go Natural Wood Clumping Cat Litter is made in Europe, using all-natural ingredients, including various types of conifer woods (pine, spruce, fir, etc.) and vegetal fibers such as corn. The litter is produced using today’s most sustainable technologies.