"Keep Fresh This wine stopper keeps the flavor of the wine to the fullest, the wine can be stored for up to 15 days. Our upgraded vacuum wine stoppers come with a built-in vacuum pump. Just need to insert the stopper into the bottle, expel air by pumping the rod up and down until it's tight.^ Widely Use The wine stoppers are suitable for most wine bottles. Use them to preserve the taste of everything from oil, beer, champagne to mineral water.^ Easy to Carry This wine stopper is very small and easy to be carried. You can take it with you on trips, picnics or any other activities outside.^ Safety The wine stoppers are made of high quality ABS & 100% Food Grade Silicone. It will never break your wine, change the taste and absorb odors.^ Perfect Gift for Wine Lover This wine stopper is designed for personal use or as a perfect gift for a wedding, holiday, anniversary, birthday, or for any wine lovers.^"