Buffalo Lung 130g £3.50 Quantity: at £3.50 each Add To Basket Buffalo Lung - 130g Bite Size Pieces. 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.