Keep Wine Fresh for Longer: The vacuum wine stopper can keep wine fresh for several days by pumping air out of the bottle and preserving the aroma and flavor of the opened bottle; the strong seal prevents leakage even when the bottle is stored horizontally. Long Lifespan and High Durability: Made of high-quality silicone and food-grade ABS material, strong and durable, it can extend the life of the wine stopper and reduce the hassle of frequent replacement. Note: The stoppers are airtight, but to avoid clogging the small holes used to vent air, we recommend storing the wine upright during use. Easy to Use, Simple Operation: Simply insert the wine stopper into the bottle and press down several times to expel the air; the timer on top allows you to record the opening time and effectively prevents forgetting. Easy to use, easy to disassemble and clean. Fits Most Standard Wine Bottles: Fits most red and white wine bottles (not suitable for champagne and sparkling wine). Cork stoppers do