The Vac U Vin Wine Saver lets you keep an open bottle of wine fresh for up to two weeks by removing air thus reducing oxidation Simply put a stopper in the neck of the bottle put the wine pump on top and pump the air out Great as a hostess gift Includes one pump and one reusable stopper Features . Creates airtight vacuum to preserve wine. Highly durable for repeat use Specifications . Color White. Weight 0 38 lbs