Ruff Tidbits, 7.75 ozMade using a delicate freeze drying process that helps preserve the natural benefits. We crafted these natural treats using just one nutrient rich ingredients: Beef Liver. Tidbits contains no preservatives, no artificial flavors and no synthetics. They are a great source of iron which promotes overall health. Tidbits are naturally low in sodium to support heart health and are rich in vitamin D and calcium.