All-in-One Wine Stopper & Preserver, Vacuum Pump, Set of 2 Vacuum seal; keep your wine fresh for up to 10 days; vacuum pump removes the air, slowing down the oxidation process and preserving your wine; enjoy your wine for a longer period of time Safe & reusable; made from aluminum alloy, polycarbonate, and food grade silicone All-in-one wine stopper and vacuum seal wine preserving pump; no extra tools required One size fits all wine bottles 30-day return policy; here, at Nicely Neat, we want you to be satisfied with your purchase; you are backed by our 30-day no questions asked money back return policy so you can buy with confidence Wine Preserver &amp; Stopper: 1.8 x 1.2 x 3.7 inches (4.6 x 3 x 9.4 centimeters)