Delibest vital natura wild salmon oil snacks are natural chews made from meaty strips of beef head skin providing a healthy low fat source of protein these hard chews are suitable for all sizes and breeds of dog and provide a long lasting chew chewing can help to clean your pets teeth as well as strengthening its jaws and facial muscles these delibest chews have been enriched with wild salmon oil a source of omega 3 and omega 6 fatty acids the ratio of 91 omega 3 to omega 6 is optimal