Yak milk dog chews, are an all-natural smoked hard cheese made from four simple ingredients: yak milk, cow milk, hint of lime juice and a pinch of Himalayan salt. The chews are known as "churpi" in Nepal, where people have been enjoying them for centuries. They are easily digestible and are a great alternative to artificial bones and other lab made treat products that can be unhealthy or splinter and become dangerous for some dogs.