Description Once wine has been opened, it is important to preserve it properly, so you can enjoy the rest of the bottle another day. This clever wine stopper preserves wine by stopping the oxidation process that is responsible for the deterioration of wine. Features - Color: Black.- Material: Acrylic & Rubber.- Size: 12.4 x 1.8 x 2 cm.- Made of acrylic with non-toxic, environmentally safe thermoplastic rubber, fashionable and elegant, stylish and durable.- The rubber bottle stopper locks in place for no wine storage, easily lay wine bottles on their side without fear of leakage.- Insert the cork part into bottle,then keep pumping until you feel tight . No forcing corks back into the bottle, this reusable cork is the no fuss alternative to wine.- Wine stopper sealer and vacuum seal pump are combined all-in-one, convenient for use and carry. Perfect for home use, restaurant, party, travel, etc.Packing list: 1 x Vacuum Wine Stopper