Le Creuset Champagne Crown Sealer, Black Nickel Crown sealer preserves the flavor and finish of previously opened bottles Switch-style valve locks in carbonation with a single motion Airtight, food-safe rubber seal allows for storing bottles on their sides without leaking High-quality metal construction with a sleek finish Measures approximately 1-1/2 by 3 by 3 inches; 10-year limited warranty Crown sealer preserves the flavor and finish of previously opened bottles Switch-style valve locks in carbonation with a single motion Airtight, food-safe rubber seal allows for storing bottles on their sides without leaking High-quality metal construction with a sleek finish Measures approximately 3.9 IN 4.6 IN 2.0 IN