Barkoo chunky knotted bones are a great addition to your dogs daily meals and these tasty chew snacks can help your dogs dental hygiene they are made from low fat crunchy 100 natural beef rawhide with no artificial colourings preservatives or flavourings barkoo chunky knotted bones are a delicious natural treat between meals chewing and gnawing on things is an important part of your dogs daily life barkoo has a wide range of delicious natural treats which encourages this natural instin