Super-Seal Champagne Stopper inserts 1/2 in. into champagne bottle neck. Special internal appendage inside the rubber seal helps to disperse carbonation evenly. Keeps effervescence alive for days. Durable and nickel plated the Stopper is a great addition to any bar, restaurant or catered event. - Nickel plated - Height 2-1/4 in - Diameter 1-1/4 in - Sold per each