Tripe contains naturally occurring probiotics and digestive enzymes which promote healthy gut bacteria and aiding your dog's digestion, super important for your dog's digestive system and overall health! Giving this to your dog in the form of an Anco Giant Bully Tripe Stick not only keeps them healthy but happy too, as chewing releases endorphins producing feelings of happiness and can even be a good/safe outlet for stress/anxieties too. *Approximately 40-50cm*