The Kloveo Champagne Stopper is a professional-grade bottle stopper made in Italy, designed to keep your sparkling wine fizzy until the last drop. It features a patented self-tightening seal that uses Pascal's Law to maintain pressure inside the bottle, ensuring a bubble-tight seal. This stopper fits all standard 750ml Champagne and Sparkling Wine bottle necks and is easy to use with a simple press and lock mechanism. Made from high-quality stainless steel, it is BPA and Phthalate free, making it safe for use. The stopper is designed for ease of use, even for those with arthritic hands, and is highly recommended by top Champagne Bars in France and Italy.