Package includes 1 wine vacuum pump plus 4 vacuum wine stoppers Enough quantity for regular use materials Durable ABS plastic construction for the pump Four durable, reusable wine stoppers Stoppers are soft, odorless, and built to last through numerous uses How to use Step 1: Secure the vacuum wine preserver into the wine bottle Step 2: Connect the pump to the of the wine stopper Step 3: Pump until you feel strong resistance, which means it is done Keeps wine fresh The pump and stopper extract air to create a vacuum that locks in flavors and aroma Keeps opened wine fresh for up to 10 days Key benefits Extends freshness and slows oxidation after opening Simple three step operation for quick and reliable preservation Reusable stoppers reduce waste and recurring costs Use scenarios After opening a bottle at home, preserve leftovers for up to 10 days During gatherings or tastings to preserve multiple bottles over several hours Store opened wine overnight or while traveling for later pouring