Keeps Flavor for 1 Week: The wine preserver removes air from your wine bottle to preserve the flavor of the wine for up to a week. Durable and Elegant Design: The wine air pump is made of stainless steel which is more durable and long-lasting than the plastic wine sealer pump. Date Markers: The vacuum wine stoppers can record the date of the last opening of the bottle. You simply turn the ring on the stopper which can point to the date you want. Great Gift for Wine Lovers: This chic hand pump kit elegantly designed for personal use or as a tasteful gift for a wedding, holiday, anniversary, birthday or for any wine lover. Universal Compatibility: The wine savers are suitable for almost all red and white wines.