Traditionally made and enjoyed for centuries by the people of the Himalayas, made in Europe using cows' milk, thereby adhering to high standards of production whilst still using traditional Himalayan techniques. Long lasting, softer than the likes of antler & buffalo horn, but much tougher than most regular dog chews. 100% Natural – It is simply cheese derived from cows' milk No artificial preservatives or colourings Grain & Gluten free Rich in Calcium & Protein (over 60%). Virtually lactose free Handmade Zero waste – when the chew gets to be very small, pop it in the microwave for 30-45 seconds until puffed, and feed to your dog as a tasty puff chew (once cooled). Yak Snack is a healthy, low fat chew available in 3 different sizes. Medium 70-80g, Large 140-155g and Extra Large 190-220g.