Champagne and Wine Sealer (Velvet Black) This Metrokane Champagne and Wine Sealer (Velvet Black) is the perfect accessory for the wine lover. Keep wine fresh with this champagne and wine sealer. Simply place the sealer on top of a bottle and twist to seal. Easy to grip with a velvety black finish, this sealer keeps wine fresh for up to 2 weeks. Champagne and other sparkling wines stay bubbly. Designed to fit a variety of sizes, seal even wide mouth bottles.