12 x Nanostop wine stoppers: These caps are suitable for both corked bottles and bottles with a screw cap. They keep your wine up to 5 times longer. The stopper has a patented vacuum indicator and fits perfectly under the screw cap of a wine bottle. Now keep wine lying down and free from leaks with the wine stopper Airtender. QUALITY FROM THE NETHERLANDS WITH FIVE YEAR WARRANTY: Airtender produced locally and in compliance with CO2 standards. The products are made and packaged in 100% recyclable and sustainable materials. MADE IN THE NETHERLANDS - AIRTENDER GOES FOR MAXIMUM TASTE AND AROMA: Keep wine and food fresh for longer and preserve its perfect taste. Keep open bottles safe from leaks and vacuum, whether in a wine rack, refrigerator or air-conditioned cabinet. REUSABLE AND SAFE SILICONE NANOSTOPPERS: With this extension kit, you can vacuum even more bottles of wine. The universal caps work with the Airtender vacuum pump, among others. Minimize losses of food, packaging, time and taste. WITH VACUUM INDICATOR: The Nanostopper vacuum wine stoppers have a visible vacuum indicator and fit flat under the screw cap of the wine bottle. Keep open bottles of wine horizontally without leaking.