This is the perfect choice for strong, aggressive chewing dogs. Tiny bristles on the surface of this durable, hard nylon bone provide good chewing exercise while helping to clean teeth and control plaque tartar build-up. The Nylabone Durable Chicken flavor bone is not intended to be ingested. Regularly inspect your dog's bone for excessive chewing damage. Replace if any pieces larger than 1/4 inch are missing or break off during chewing.