Made from kangaroo trachea, Roo tubes are are sustainably sourced from free range roo’s straight from the Aussie Outback. High in iron & low in fat, these treats will have your dog howling for more. 100% digestible to ensure absorption of the proteins and minerals that support a healthy immune system. Helps to remove tartar and plaque while your dog chews promoting healthy teeth and gums. A crunchy, tasty treat for dogs of all sizes. (less than 2% fat).