【EASY TO USE】: Simply insert the wine stopper into the bottle and press the lever to seal the bottle airtight. Lever doubles as an opener for removing metal bottle caps. For 0.6-0.7 inch Diameter bottle neck, stoppers fit most bottles, NOT ALL BOTTLES (Note: Please check the size of the product before purchasing) 【PRESERVE YOUR FAVORITE WINES】: Stopper produces a leak-proof seal to prolong and preserve opened bottles. These wine stopper that keep your wine beverage tasting just as good as the day you opened the bottle. keeping wine tasting fresh up to one week. 【NO LEAKS, NO SPILLS 】: Store your wine bottles horizontally in your fridge or wine holder with these stoppers without worrying about leaks 【 DURABLE AND REUSABLE】: 4 assorted fun and bright colors, The bottle vacuum sealer is made of non-toxic silicone, rubber and stainless steel, The combination of the steel and silicone make it easy to use and clean. 【WIDELY USED】: The bottle stopper is suitable for most wine bottles, including most red and white wine bottles. Can also use them to preserve the taste of everything from oil, beer, soda,champagne to mineral water.