WINE FLAVOR PRESERVER - These wine stopper will help to create an airtight condition that preserves wine once the bottle has been opened, keep the wine fresh and tasty for a few days. SILICONE SEALER - With stainless steel core and premium silicone cover, these stoppers will not break easily like plastic one, so you can always have a fresh glass of wine. COMPATIBILITY - The stoppers are suitable for most size bottle use, no matter bottle of wine, drink or any other kinds, you can free to enjoy kinds of wines at the same time, and do not worry about the wine go bad. EASY TO USE - Insert the thinner side of the bottle stopper in to the bottle and remove with a single pull, easy to use. EASY TO CLEAN - Compact and dishwasher-safe, theses corks are easy to wash and store, which can be used for many years.