Durable Stainless Steel Vacuum Wine Saver Pump Humanized Design Bottle Stopper for Preserving and Sealing Bottled Wine brand new and high quality Features: It is used for the preservation of undrinked red wine, wine and various fruit juices and beverages.It can maintain a good vacuum state for half a year at a for time. Humanized design, suitable for all kinds of red wine bottle mouths, keeping the bottle mouth clean and hygienic. It is suitable for flat hard bottles with caliber of 15 - 20mm, such as wine and wine bottles. Plug the mouth of the bottle with a vacuum stopper, and use the suction pump of the stopper to evacuate the air in the wine bottle until the suction pump is automatically lifted back to the original position after being pulled up to achieve the preservation effect. Instructions: Wash and dry the wine bottle stopper, install it on the mouth of the wine bottle, and press down firmly. Use the suction pump to vertically align the wine bottle stopper, and pump for several times in succession. When you feel that the pulling force is large (usually about 10 times), then store it at low temperature or normal temperature. When you need to open the stopper, use your finger to flip the deflation button on the top of the stopper, and then unscrew the stopper. Specification: Type: Wine Saver Pump Material: Stainless steel Applications: for Preserving and Sealing Bottled Wine Features: Vacuum Wine Saver Pump, Durable Humanized Design, Bottle Stopper, Preserving Sealing Dimension: app.15.5and24and3.5cm or 6.1and9.44and1.37in Color: Silverandblack Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3.Do not rinse with hot water, and do not place it near the heat source to avoid deformation of the vacuum preservation bottle stopper. Package includes: 1 Pc x Wine Saver Pump