16 oz. clear flint glass stout bottles with a 38 mm (38-2000) lug finish. The clear glass bottles have an updated classic look with a unique profile and wide mouth. This wide bottle opening makes it easy to add or pour out thicker products, liquids, and flavorings. Glass stout bottles are commonly used to package a variety of sauces, condiments, teas, syrups, salad dressings, beverages, beauty creams.