These dog cheese chews are made using Nepalese Himalayan Yak Cheese recipes. They are manufactured in Germany in a human-grade milk processing facility and then room-dried for months. This is an excellent-quality chew that will last a long time. It is made from cow milk and a bit of citric acid. This means they are consistent in ingredients, color, shape, flavor, and dryness. The pictures are not special hand-picked chew samples—they ALL look like that! The medium weight is approximately 5 oz each. H: 1-1.25 in. L: 6-8 in. W: 1-1.5 inches. Measurement and weight will vary from chew to chew. They come unpackaged & unlabeled; add your brand! The shelf life is at least two years; store in a dry place. Guaranteed Analysis: Protein (min) 62% Crude Fat (min) 1% Moisture (max) 15%