Buffalo Wrapped Trachea £1.00 Out of stock. Buffalo Wrapped Trachea - 1 piece Trachea wrapped in lung sourced from Free Range Buffalo. 100% Grass-fed and Hormone Free. Buffalo products are high in Protein and a great Natural Dog Treat. Leaner and lower in saturated fat than Beef and Pork, they are also a great source of Heart Protective Omega-3.