Size Large (1 large sized piece) recommended for dogs over 35 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 large dogs and larger puppies. *Beware of imitations.