Help to Preserve the wine's flavor and keep the wine tasting fresh for up to 15 days in a simple way. Our upgrade vacuum wine toppers stopper come with an in-built vacuum pump. Just insert the stopper into the bottle, expel air by pumping the rod up and down until you feel some resistance, and you’re done.$ It's designed to create an airtight seal every time. This means you can confidently store that bottle sideways in the fridge. Every set comes with 10 stoppers to give you the freedom to enjoy different kinds of wine at a go.$The wine stoppers are made of ABS & 100% food grade silicone. No nasty toxins and it never compromises your wine, never alters the taste, and never absorbs odors. The wine savers clean with ease to make maintenance a breeze.$These vacuum pump preservation stoppers designed not just for wine bottles. They still work on most cork or screw top bottles. Use them to preserve the taste of everything from oil, beer, champagne to mineral water. Also is the gift for a wedding, holiday, anniversary, birthday etc. Or keep them around the house for your next party$If you have any problems with our wine stoppers, please feel free to contact us, our professional customer service will reply and deal with within 48 hours.