PRESERVES WINE - These wine bottle stoppers provide an air-tight seal to prolong and preserve opened bottles of wine & champagne. The material is soft, flexible, and lightweight and can be used on all types of wine, beer, soy, vinegar, or resealable bottles..PREMIUM QUALITY. These wine stoppers are made of food-grade silicone and stainless steel that won't rust, crack or fade..FITS ALL OCCASIONS - Great for wedding favors for guests. These bottle stoppers will fit any occasion event or dinner party. Caterers can use these wine stoppers for any of their events..EASY TO USE. These Stoppers are easy to use, simply insert into the bottle and pull up to remove..EASY TO CLEAN & STORE. These wine stoppers are easy to clean, compact, and dishwasher-safe. They can also be stored easily for reuse.