1. Food Grade Silicone: Made of food grade silicone. A must-have companion for Christmas parties, New Year parties, etc. It is also the for Christmas gifts. 2. Easy to use and clean:It can even be washed in the dishwasher and is reusable. You can boil the cork in boiling water to it before use. It is soft and flexible, which helps to seal leaks. 3. Perfect alternative to corks: It can be reused infinitely and is suitable for any standard glass beverage bottle. 4. top cap style, these silicone bottle caps are designed to keep the wine fresh after opening the bottle. They are a great gift for any wine lover, and they are suitable for any bottled beverage. Home winemakers can use these caps to keep wine bottles clean and sterile before bottling. Colour:As Shown Material:Silicone Package Contents: 6 * Bottle stopper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.