Size Small ( 3 small sized pieces) recommended for dogs under 15 lbs. (Yak Milk, Cow Milk, Salt, Lime Juice. ) Prepared in the traditional method and true to the purity of the Himalayan roots, the chews are completely chemical free, made only with four natural ingredients and without any additives or preservatives. These chews are also gluten free and virtually lactose free, (milks are boiled for hours) making it ideal for pets with sensitivities. Perfect long chew for small dogs and puppies.