Description 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 wine 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: 6 x 3.5 x 3.5 cm. - Made of stainless steel, ABS and food grade silicone, so you can use it for long-term use, leak-proof and perfect seal. - Vacuum pump removes air to halt oxidation process. - This special stopper for 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 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. Made of steel, ABS and food grade silicone, so you can use it for long-term use, leak-proof and perfect seal. Vacuum pump removes air to halt oxidation process. This special stopper for 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 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.