Made from 100% all-natural water buffalo cheek, Colgn chews are a healthy and long-lasting treat your dog will love. Sourced from the collagen-rich lower skin layer of the shoulder and neck, these chews support joint and skin health—while delivering tasty chewing satisfaction. Named after the very collagen that makes them special, Colgn is QT Dog’s newest all-natural chew line from premium Indian-sourced water buffalo.