Stopper, vacuum, pump combined all in one,convenient for use and carry. Keep your wine fresh for up to 10 days.Removes the air, slowing down oxidation process and preserving your wine. Made from aluminum alloy, polycarbonate, food grade silicone and acrylic. Fits into all wine bottles and do not leak at all. It's a great gift for the Christmas season, wedding, anniversary, birthday, or any occasion.