Keep your wine fresh longer: Help preserve the wine's flavor and keep it tasting fresh for up to 15 days. The upgraded vacuum wine stopper features an integrated vacuum pump. Simply insert the stopper into the bottle, pump the rod up and down until you feel resistance, and the seal is complete. Leak-free seal: Designed to create an airtight seal every time, allowing you to store bottles sideways in the fridge with confidence. Each set includes 6 stoppers, so you can enjoy multiple wines at once. High-quality material: Made from ABS and 100% food-grade silicone. Free from harmful toxins, it does not alter the taste of wine or absorb odors. The stoppers are easy to clean and simple to maintain. Wide use: These vacuum pump stoppers are not limited to wine bottles. They work effectively on most cork or screw-top bottles. Use them to preserve oil, beer, champagne, mineral water, and other beverages. Ideal as a gift for occasions such as weddings, holidays, anniversaries, or birthdays. Perfect for home use or entertaining at your next gathering.