Unlike many other yak cheese chews on the market, ours are made with yak's milk only, with no added cow's milk! This treat is made from a traditional process that involves boiling, curdling, straining, and drying yak milk to create a hard, long-lasting dog chew. Chew Meter: Tough - This durable chew starts out hard and will soften as your dog chews it over time. If your dog breaks off small pieces, you can microwave the yak cheese remnants for 30 seconds and turn them into a cheese puff! Made in Nepal.,Unlike many other yak cheese chews on the market, ours are made with yak's milk only, with no adde