Wine Stopper, EraVino Vacuum Pump Wine Saver with 2 bottle Stoppers UNIVERSAL Highly durable - will tolerate regular and prolonged usage. Suitable for all but sparkling wines PERFECT SEAL Creates an airtight vacuum that preserves wine once the bottle has been opened. Prevents the oxidation process that is responsible for the deterioration of wine. DESIGNED WITH EASE OF USE IN MIND - You put one of the stoppers into the top of the bottle, place the pump on the top of the stopper, and then pump the excess air out. When you want more wine, just press the button on the stopper to release the vacuum! FRESHNESS ALWAYS TASTES THE BEST: It's great for all types of wines (for beer also). You'll be able to keep your wine's original taste and freshness as long as you've ever seen. The wine pump removes the air and the stopper seals the bottle stopping the oxidation process. Contains: 1 x Wine Saver Pump and 2 x Vacuum Bottle Stoppers (both re-usable)