Keep opened bottles fresher longer Creates an airtight seal when used with a wine saver pump, slowing oxidation to help preserve the wine's flavor and aroma between servings. Durable, reusable construction Made from flexible rubber that fits snugly into most standard wine bottles. Designed for repeated use without losing seal performance. Convenient 8‑pack Includes eight identical stoppers so you can preserve multiple bottles at once — useful for households, parties, or wine tasting. Simple to use and clean Insert the stopper into the bottle, operate your wine saver pump to remove excess air, and store. The smooth surface wipes or rinses clean easily after each use. Key attributes at a glance Function: creates a vacuum seal with a compatible wine saver pump to reduce oxidation Compatibility: fits most standard wine bottles Material: flexible rubber for a tight seal and durability Pack size: 8 stoppers for simultaneous bottle preservation Performance: reusable, long‑lasting seal to maintain aroma and flavor Practical use scenarios Afterdinner saving: Preserve a partially enjoyed bottle for the next day without noticeable loss of flavor. Entertaining: Keep several open bottles fresh during a party or tasting so guests can sample over hours without wasting wine. Small food service or gifting: Maintain quality of opened bottles in a small bedandbreakfast, catered event, or when supplying a host with backup preservation tools. A straightforward, dependable solution for anyone who wants to reduce waste, maintain wine quality, and keep multiple bottles ready to enjoy.