Once wine has been opened, it is important to preserve it properly, so you can enjoy the rest of the bottle another day. This clever bottle stopper preserves wine by stopping the oxidation process that is responsible for the deterioration of wine. Features - Color: Golden. - Material: Stainless Steel ABS Silicone. - Size: 8 x 4 x 3.5cm. - Vacuum pump removes air to halt oxidation process. Make the wine taste more mellow - This special stopper for champagne bottles, fits securely into the neck of your bottle to keep your bubbles as fresh as they were when you popped the cork. - Each bottle of champagne has a date stamp, so you can make sure that the last cup of the bottle is as good as the first one. The date turntable marks the container opening date. - These bottle sealer plug is suitable for home, restaurant or bar use. You can share with your friends or family members and have a nice experience