Antos Origins Natural Root Dog Chew Toy - Extra Large Antos Origins Natural Root Dog Chew is a long lasting chew suitable for all dogs including puppies. The root is the tuber root of a tree, this is softer, will not splinter & is packed with nutritional goodness. A natural root chew is a healthy way of satisfying your dogs natural urge to chew. 100% natural Low in fat Non-splinter Because these chews are natural their size, shape & colour may vary from product to product.