Munch and crunch  gnawler bone is natural, long-lasting, crunchy and chewy from the natural cartilage, they are perfect for cleaning your dogs teeth and gums. Regular chewing of bones will strengthen your dog’s jaw muscles. Strong jaw muscles are essential so it’s important that jaws are exercised regularly, and beef tails are perfect for the job and of course they are very low in Fat.  Dog Chews are the ideal treat for your precious chewing delight, strengthening your pets teeth & gums as well as satisfying his natural need to chew.