The design is compliance with international standards, which available for most of wine bottles * Feature scientific, safety and no pollution
* Keep the fresh about 7days for the leftover wine
* Insert the stopper into the mouth of bottle, pump out the air from the bottle with the pull pole

To create a vacuum situation, you will find it is become more tighter for the pull pole,
It is vacuum sealed then

SPECIFICATIONS:
* Weight: 28g
* Measure: 2.5 * 1.5 * 8.5 (cm)
* Material: PC+ silicone

OPTIonAL PACKAGE:
* 1PC/PE BAG
* 1PC/Color box
* 1PC/EVA gift box
* Customized are welcome.