The Vacu Vin Wine Saver Vacuum Stoppers in grey (set of 6) are designed to preserve your wine's freshness by creating an airtight seal. These stoppers are compatible with all Vacu Vin Wine Saver pumps and can also be used as traditional stoppers. Made from high-quality, food-grade rubber, they are durable and dishwasher safe, ensuring easy maintenance. With these stoppers, you can keep your wine fresh for up to a week after opening