Each flask made of high-quality stainless steel closes with an attached screw-down cap so the top can neither be lost nor accidentally open. Each flask also comes with a small funnel for easy refilling. Each flask measures 4”x6" and holds 8 oz. of fluid. (the equivalent of eight shots!) Finally, each flask is adorned with a high gloss laminated original illustration. Medicine (Use As Needed).GH-637.