1.SUPER ABSORBENT Absorbs liquids by 100%. 2.ENVIRONMENT FRIENDLY Place the waste of cat litter in a compost pot.Soon you will have an excellent natural fertilizer for your plants. 3.NO WASTE JUST REFILL You fill cat's tray 5-7cm of cat litter and refill when required。 4.HEALTHY Our cat litter is natural product.Contains no chemical additives