Carefresh Ultra is for odour control and absorbency, choose carefresh ultra bedding for ultra soft, ultra clean and an ultra absorbent bedding for your pet. It is made from extra-long, extra-soft bleached fibres, providing a natural, comfortable living environment for your pet. Like all carefresh products, it's biodegradable. Carefresh Ultra is a great value, too, since it’s long lasting and requires fewer changes. Its patented formula is free from contaminants like pine or cedar oils, so it is safe for your small pet.