JW EverTuff Nylon Bone - Bacon. Infused with a mouth watering bacon flavour and made out of a tough nylon material, the EverTuff Nylon Bone is brilliant for alleviating your dog"s boredom. Helping to promote dental health, the bone is fantastic for tough chewers and helps curb destructive behaviour by providing a healthy alternative that satisfies your dog"s natural chewing instinct. A groove on the bone can also be filled with peanut butter or other dog treat filler for additional chewing pleasure. Safe, long lasting chewing and gnawing!