Our Wild Eats Munch & Crunch bones are a natural, single source of protein perfect to satisfy your K9’s natural cravings. Munch & Crunch Bones are made from natural compressed trachea, sourced from free range & grass fed Water Buffalo, which makes a highly satisfying and crunchy treat. The natural texture of the water buffalo trachea helps to clean teeth & gums as your pet chews, which aids in overall dental health. Munch & Crunch Bone is also gluten free & grain free.