P.K Natural Pet Foods Everlasting Dog Treats are 100% natural, long-lasting dog chews that are handmade from the milk of yak and cows from the Himalayan region. They are gluten-free and do not contain any chemicals, filler ingredients, or artificial preservatives. Guaranteed Analysis: Protein (Min.) 52.6% Fat (Max.) 0.9% Moisture (Max.) 10.2% Ingredients: Yak Milk, Cow Milk, Salt, and Lime Juice.