Welcome to Pet N Treats, Himalayan yak chews, also known as Himalayan dog chews, are long-lasting treats made from a mix of yak milk, cow milk, salt, and lime juice. PetnTreats is a popular choice among dog owners because these make natural, gluten-free, and long-lasting products. Dogs tend to love the taste and the challenge of chewing on them, that help keep them occupied and mentally stimulated.