Northwest Naturals Frozen Raw Beef Bones Dog ChewsRaw meaty bones may be added to your pets daily diet as a treat or a snack. Bones should always be given with supervision to ensure your pet does not consume the bone too quickly. These products are intended for supplemental feeding only. Our Beef is Grass fed and sourced in the USA and is Antibiotic and Hormone Free. Natural source of protein, fat, and minerals.