Ears come from free-range, grass-fed water buffaloExcellent source of keratin and amino acids Contributes to improved dental health and a strong shiny coat Contains no hormones, antibiotics, additives or preservatives Chewing, gnawing and tug of war games keeps dogs happy and healthy The Advance Buffalo Ear with Meat is a unique and exotic treat that comes directly from free-range, grass-fed water buffalo. The long lasting ear is an excellent source of protein and flavor, constant chewing or gnawing on the ear will help your dog improve overall dental strength and health. The product is completely pet safe and contains no hormones, antibiotics, additives or preservatives.