Wine Saver - Vacuum Wine Pump Preserver Stoppers - Set of 4 100% MONEY BACK SATISFACTION GUARANTEE. If you are not satisfied with our Wine Saver we guarantee a full refund! NO MORE LEAKS - When you use the Winesaver you can forget about those messy leaks and dribbles in the fridge! QUICK AND EASY TO USE - Simply put one of the corks into the top of the bottle, place the pump on the top of the cork, and then pump the excess air out of your bottle of wine. When you want more wine, just press the button on the cork to release the vacuum! FDA, CE/EU, APPROVED - These certificates give you complete peace of mind about safety standards. DAY AFTER DAY QUALITY - Lets you Enjoy Your Wine At The Same Quality every time you re-visit your wine!