12" X-Large Bullwrinkles® are designed for big dogs that need a long-lasting treat. These treats are bound to have your dog doing tricks before you even ask! A thicker and heavier prime cut - made from real dried bull and steer pizzle - full of rich flavor with a chewy texture. They are high in protein and low in fat. They have the added benefits of being highly digestible and help improve dental health. Don't hesitate to try a pack of our irresistible Bullwrinkles today.