Furry Roo Ears are lean, delicious natural teeth cleaners. Fur is a natural product for your dog, don't be scared - dog's love it! Great for small dogs and large dogs alike, Roo ears are low in calorie, high in protein and help clean out your dog's gut. 2 Pack. As part of our commitment to utilise all of the animal through our Nose To Tail Methodology, we love our Roo ears. Lulu does too, as will your dog!