養生花膠筒 Fish Maw ChewsFish Maw Chews stuffed with minced crocodile meat with shiitake and danngui which makes it a nutritious chew for dogs. *, Fish Maw Chews may vary in sizes as they are sold by weight Benefits : Fish maw is rich in collagen for improving joint and skin health Crocodile meat helps alleviating coughing Shiitake mushrooms Contain a beta glucan called lentinan, which has been shown to inhibit the growth of tumors by activating lymphocytes, which are immune