Insert the stopper into the bottle neck opening tightly
Position the vacuum preserver onto the stopper vertically and pump the air out until you feel a strong resistance
Use the date code to mark the opening date of the bottle
To open, simply stir the pin on top of the stopper to release,open the bottle once the airflow sound is gone
Features：
- Separated vacuum pump and two stoppers,easy to use and carry.
- Removes air from open wine bottles to keep wines tasting new.
- 30-day calendar date code on stoppers to conveniently track when bottles were opened.
- Durable and food safe silicon
