MEE YOUNG Wine Bottle Stopper with Vacuum Pump Sealer Feature Pumping Fresh Wine Stopper Wine Storage Wine stopper Sealer with vacuum pump feature Combined all-in-one Very Easy and efficient to use, just insert stopper and pump the lever to remove air The vacuum pump will extract the air from an opened wine bottle Keeps Red and White Wine fresh much longer by removing all air from bottle. Matarials:Aluminum alloy, PC, and silicon Food Grade Lifetime Limited Warranty Wine Aerator Decenter, Air Pump Wine Opener, Foil Cutter (sold separately)