The Original Fizz-Keeper Pump Cap has sold over one million units! Patented pump cap keeps re-pressurizes soft drinks using a simple effective pumping motion. Keep those big liter bottles of soda as fresh as they day you bought them!

Features:

• Re-pressurizes plastic soft drink bottles
• Pump several times to build pressure in the bottle
• Unscrew to pour
• Fits 1 liter, 1.5 liter and 2 liter bottles