Ultra Chewy Naturals Bully Stick Sprial are specially designed to clean and condition your dogs teeth and gums. They're tasty, chewy, and unique in shape and texture. Ultra Chewy Naturals proudly offers the healthiest, most natural pet treats available on the market. All Ultra Chewy Naturals Bully Sticks come from grass-fed, free range cattle that are free of growth hormones, steroids, and antibiotics. Ultra Chewy Naturals Bully Sticks are slow roasted in our own ovens for a distinct flavor free of any unsafe additives or preservatives.