Features - - Made from free-range buffalo horn and delicious natural honey.- Horn core from grass-fed buffalo provides a rich, natural source of protein––and irresistible flavor. - Recipe contains no GMO ingredients. - Grain-free goodness makes these treats grr-eat for sensitive pups. - No added hormones or antibiotics. Ingredients Buffalo Horn Bone, Honey, Natural Honey Flavoring, Potassium Sorbate.