Got Fizz. Jokari Pump and Pour. Keeps soft drinks from going flat by re-pressurising plastic bottles to preserve carbonation. Simply replace soda cap with the Fizz-Keeper Pump & Pour and gently squeeze to preserve fizz. Open flip-top lid to pour soda. Fits standard soda bottle sizes of 1, 1.5, and 2-litres. Easy to use. Place cap over the top of a bottle of soda. Squeeze top to "pump" out air. Flip open lid to pour. As simple as that !