Wine Stoppers (Set of 3),Silicone Wine Bottle stopper and Beverage Bottle Stoppers,Vacuum preservation bottle stopper,Black

[Product name]: Vacuum fresh-keeping bottle stopper ?Product parameters?: Material: PC + ABS + food grade silicone Weight: 26g/pc Specification: 2.5 surface (diameter) x 1.5 bottom (diameter) x 8.5 height (cm) ?Features? 1. The design is exquisite and beautiful; the pump and stopper are integrated, which conforms to various conventional wine bottles. 2. It is made of food safety grade materials; scientific, environmentally friendly, safe and assured. 3. The fresh-keeping time reaches more than 7 days, effectively ensuring that the opened wine will not deteriorate for a long time. [use] 1. Insert the airless bottle stopper into the bottle mouth, pull the piston rod up and down (about 80~120 times for the 750ML empty bottle), the more the number of pulls, the tighter the suction, and it will automatically rebound when the pull rod is released. It is close to vacuum. 2. After the wine is kept fresh (drink again on another day), rotate (or swing from side to side) to pull out the wine stopper.