The AntiOx Wine Stopper is designed by the Spanish brand Pullex. It is a black stopper with stylish silver details that is perfect when you have opened a bottle of sparkling wine and want to save the leftover drink for a later occasion. The stopper's patented design prevents oxidation and provides an excellent way to store your drink. This stopper can preserve the carbonic acid for up to 8 days. The AntiOx Wine Stopper is one of several favorites from the Pullex brand by wine lovers and professional sommeliers alike.