Seals by using the champagne's CO2 bubbles to expand it's internal patented plastic valve. Guaranteed to seal up to 6 atmospheric pressures (PA). (Australian standards only require 2.7 PA.) Has been tested to resist 12 PA. Won't let your favourite sparkling go flat! You can confidently open a bottle of sparkling wine and know that it will be preserved (like new) for many days. Designed for professional use. Can print or dome the top & side.

Features

• Black ABS
• Superior seal for your Sparkling and Champagne
• Perfect for Corporate branding