Vacuum Pump Preserver, Premium  Bottle Stopper (All In One - Stopper, Vacuum, Pump), Set of 2, Black Features combined all in one - stopper, vacuum, pump. No extra tools required. Safe, non-toxic & reusable. This product is made from ABS & food grade silicone. Keep your wine fresh for up to 10 days. Vacuum pump take the air out of wine bottle, slowing down oxidation process and preserving your wine's flavor and bouquet. You can enjoy your delicious wine leisurely! Easy & simple to use - Plug the pump into the bottleneck of opening winebottle, and take air out of winebottle by pulling the winestopper head up and down and leave the vacuum air pump there as a stopper. When you want more wine, just remove the vacuum air pump.