Pedrini Wine and Bar Champagne Stopper This champagne stopper features two hinged arms that fold down and lock into place around the bottle for a sure fit. The stopper has a rubber disk that fits over the opening of the champagne bottle to create a tight seal. The stopper is constructed of chrome-plated steel, polished to a mirror finish. This stopper should be hand-washed only. Hand-wash with warm water and a mild detergent; rinse and dry immediately. This product comes with a lifetime, limited manufacturer's warranty.