Saver Bottle Preserver Air Pump Stopper Sealer Plug Tools Wine Vacuum Stopper *Highly-effective bottle stopper for wine liquors and spirits *Humanized design suitable for most kinds of wine bottles *Vacuum pump removes air to halt oxidation process *High quality plastic, non-toxic and environmental *Great wine storage tool for wine bottle *Dimension: approx. 8*2.5*1.5cm *Weight: approx. 25gInstructions: *Plug the vacuum stopper into the bottle and pulling the piston rod up and down. For the bottle of 750 ML, you would better pull 80 times to 120 times. *Rotate or sway to pull out the wine stopper after preservation if you want to drink the wine in another day. Warm Tips: The vacuum stopper can effectively protect the opened wine from deteriorating with a long preservation time of about seven days. Package Contents: 1 * Wine Bottle Stopper Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.