Color Pack of 8 - Black Material Silicone Conical Shape Dishwasher Safe Yes About of this item WINE FLAVOR PRESERVER - This wine stopper will help create an airtight condition that preserves wine once the bottle is opened, will keep wine fresh and flavorful for a few days. SILICONE SEALANT - With a stainless steel core and premium silicone lid, these corks won't break easily like a plastic cork, so you can always have a fresh glass of wine. COMPATIBILITY - The corks are suitable for most size bottle uses, no matter wine bottle, drink or other type, you can freely enjoy kinds of wines at the same time and don't worry about the fact that the wine deteriorates. EASY TO USE - Insert the thinner side of the bottle cork into the bottle and remove it with one pull, easy to use. EASY TO CLEAN - Compact and dishwasher safe, these plugs are easy to wash and store, which can be used for many years.