Specifications:The science behind the vacuum wine pump is that it removes all the air left inside the bottle, preventing the wine from oxidizing progress to acetic acid, keeps wine fresh and tasty for days.Comes with 6 washable preserver stoppers, you can enjoy varying tastes if you have a couple of bottles open at one time to accommodate like picnic, festival, parties, wedding, gathering.Keeps opened wine tasty by sucking air out of the bottles.Standard size wine preserver stoppers for universal wine bottles.A perfect present for wine lovers.Item Name: Wine Vacuum Pump + StoppersMaterial: Alloy + SiliconeFeatures: Food Grade Material, Easy to Use, Wine PreserverVacuum Pump Stretch Height: 27.5cm/10.83" (Approx.)Vacuum Pump Handle Width: 8.1cm/3.19" (Approx.)Vacuum Pump Un-stretch Height: 5.7" (Approx.)Vacuum Pump Diameter: 1.4" (Approx.)Wine Stopper Height: 1.8" (Approx.)Wine Stopper Diameter: 0.7" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:(Not Included Wine Bottle)1 x Wine Vacuum Pump6 x Bottle Stoppers