The Cheesy Puff is a crispy form of the cheese bar which is highly delectable.  Each bite into the Cheesy Puff gives out the cheesy aroma which dogs crave.  Using a combination of yak and cow milk, the Cheesy Puff contains no preservatives and is 100% natural.  The yak milk is harvested from domesticated yaks by traditional yak herders, using an ancient recipe passed down from generation to generation. Our What makes our Cheesy Puff superior to the other Himalayan cheese products? In our factory, our quality control team ensures that every cheese bar is painstakingly scraped and cleaned to remove any dirt or smoke particles.  Cheesy Puff is than carefully microwaved to achieve ultimate crispness without burning it.