Jokari Fizz Keeper Pump Cap for 2 Litre Bottles - 3.6cm x 8cm - Keeps The Fizz In - White - 4-Pack

للاسف المنتج لا يعمل، مهما حاولت.

I have been looking for these for a long time, until I found them on Amazon, with a lot of searching. I used to have 2 of them many years ago, but they somehow got lost. They do keep the fizz in your pop/soda if you use these correctly. To keep the fizz in pop, you have to pump air "into" the bottle. You have to pump many times, especially if it is a 2-litre bottle. Pump (many times) until the bottle is firm and you are good to go. This acts as a pump and a lid for the bottle. I am so happy to have found these.

It is a good product , just need to put in a little work of pumping but then all's good

Als ich nach so einem "Teil" suchte, wusste ich nicht, dass es so etwas gibt. Daher einfach mal im Web herumgegrast. Und tatsächlich, es funktioniert total zuverlässig. Kurz gesagt: Kohelsäure bleibt da, wo sie hingehört - in der Flasche! :-)

This would probably fit a US soda bottle, but the ones in europe have a shorter thread section and the bottle lid remains attached to the bottle. Even if you remove the lid and use strong scissors to take the plastic ring that holds the lid, it still doesn't make a seal. So we had to return it.

Very easy to use and really works. Drinks stay fizzy much longer.