Product Review

Step 1：There is an inflatable port in the opposite direction of the green arrow, you can find it.
Step 2：Then put the inflatable tube into the charging port, after filling,can be used.
Note ：There is a picture attached in the above. If you don't know how to use it. You can see the steps in pictures.
Package include:
1 x 36 PCS Wine Bottle Protector Bags
1 x Air Pump
1 x Wine Opener