This wine bottle stopper has a stainless steel top and a silicone ribbed and tapered body. These bottle stoppers slide in and out with ease yet provide an airtight seal to prevent spills and maintain freshness. In addition to being reusable, eco-friendly, odorless, dishwasher-safe and lightweight, they are durable and long-lasting. Perfect replacement for corks that don't fit and crumble inside the bottle.