Air Dried Pigs Ears. Pig ears are easily digestible, and the high cartilage content may help strengthen dog's jaw muscles and help with teeth cleaning. They are made from 100% pure pig ears with no additives.Analytical Constituents: Protein 52.10% Fat Content 37.10% Crude Fibre 1.0% Inorganic Matter 1.49% Moisture 6.40% <