DURABLE MATERIAL, FOOD GRADE SILICONE SEALmetal wine stoppers are made of durable stainless steel material and 100% food-grade silicone rubber seal, it is soft and highly resilient, non-stick, and the crystal glass is ornamented on the top of the bottle stoppers, reusable and durable.CONVENIENT USAGE, KEEP THE FRESHEST TASTEEasy to insert and to remove from the bottle, simply press the stopper into the bottleneck. Our stoppers provide an air-tight seal to prolong and preserve opened bottles of wine. And the rubber ring will not deformed due to damp, so to keeps the beverage or liquid in the bottles fresh.IDEAL GIFT IN IMPORTANT OCCASIONSSuitable for most bottles, such as cognac, bourbon, whiskey, vodka, rum, champange, olive oil and others, It will be great gift for Birthday Parties, Thanksgiving, Holiday Parties, Housewarming, Graduation Ceremonies, Weddings, Valentine's Day or other celebrations, great for wine lovers, bars, kitchens, etc.PACKAGE CONTENT2 x Wine and Beverage Bottle Stoppers