Restore Carbonation in Soda Bottles: this patented pump cap re-pressurizes soda bottles to actively maintain carbonation and keep soft drinks fizzy for days. Screws directly onto 1, 1.5, and 2-liter plastic soda bottles. Works with cola, tonic, seltzer, and other carbonated beverages. the Jokari Pump Cap restores pressure-giving you that "first pour" experience every time. Just toss in the dishwasher after use and reuse again and again
