Rollover Small Chicken Stuffed Beef Bones are all-natural, cleaned beef bones that are stuffed with our premium Chicken dog food and baked for your dog's enjoyment. Beef bones are the hardest bones available and with a centre of delicious Rollover Chicken dog food, dogs enjoy gnawing on the bone to clean their teeth.Small size: Each bone is approximately 5 - 6" long and 2" in diameter and is individually shrink-wrapped to ensure freshness. Large size:Each bone is approximately 8 - 9" in length, 2.5" in diameter and is shrink-wrapped for freshness.