Vacu Vin Wine Saver Vacuum Stoppers, Set of 10 - Grey Set of 10 Wine Saver Vacuum Stoppers - made from high-quality, food-approved rubber Easy to insert after the cork has been removed from the bottle Preserves wine via the creation of an airtight vacuum Can be used with or without Vacu Vin's various award-winning Wine Saver Pumps Washable (by hand or in a dishwasher) and reusable