Liver Coated Dog Bones for Aggressive Chewers, Long Lasting Dog Bone, Chew Bones for Large Dogs, Beef Shin Bone, 3 PackNatural, and Healthy Treat for your Dog: Our chew bones for medium dogs are 100% natural and gluten free, with no artificial ingredients, no soy, and no wheat. A healthier and better treat for your dog versus plastic and nylon toys that tend to be dangerous and toxic. Unique, Rich and Natural Liver Coating: Lively Tails dog bones for small dogs are covered with an irresistible liver coating that adds a delicious flavor that your dog will love. Long