Our Wild Eats® Water Buffalo Tuffie Horn dog chews are grain-free single-source protein with 14% more protein and 89% less fat than beef (rawhide) and 28% more protein than pork (pig ears). You can feel good about treating your pets.The unique shape and texture encourage positive chewing. Water Buffalo Horns make a great alternative to dog bones for aggressive chewers and aids as a natural dog teeth cleaning with each bite promoting healthier teeth and gums. Thicker than an antler dog chew our healthy one-ingredient dog chews are sourced from grass-fed free-range water buffalo. No chemicals. No preservatives. No additives. No hormones.