Firstly, bones contain a number of nutrients that are vital to your dog's health. Secondly, meaty bones are nature’s toothbrushes. They keep your dog's teeth clean and gums healthy. Plaque can't build up and decay is prevented. The third benefit of giving your dog a bone is more psychosomatic. Dogs that have a bone to chew are happier and calmer, chewing a bone releases endomorphines which provide a sense of well-being. PLEASE NOTE with ALL BONES we recommend you supervise your pet.