Vetsupply: Catmate is Australia\'s top eco-friendly wood pellet kitty litter. It is a high-quality, easy-to-use litter that is also very absorbent, offering the ideal quality litter to cat parents. Catmate wood pellet cat litter is made from plantation pine that has been sustainably harvested and contains natural oils that hinder the growth of microorganisms that produce the ammonia odor. Hence, it keeps the bad odor at bay. It is the best litter for your cat and the environment since it is 100% biodegradable.