The WMF Clever & More champagne stopper is made of high-quality stainless Cromargan® 18/10 steel. With a diameter of 4 cm, this stopper fits all bottles. Simply place the WMF Clever & More stopper on top of the bottle and press down the two wings. The mechanism keeps the bottle airtight, preserving the freshness and effervescence of sparkling wine and champagne for a long time. This product is dishwasher safe and has a height of 5 cm. When the material used in the product must be of high quality, durable, and maintain its shine year after year, the natural choice is WMF's stainless Cromargan® 18/10 steel. Cromargan® is a registered trademark that ensures WMF's Cromargan® steel stands out from other stainless steels. Its manufacturing processes are efficient and high-quality. Cromargan® steel quality is closely and regularly monitored, ensuring that products made from it consistently meet the required standards. Additionally, Cromargan® steel is highly resistant to scratches and wear, completely rustproof, does not retain any flavors, and withstands food acids. Cromargan® steel is manufactured in Germany. WMF is one of the world's leading manufacturers of stainless steel products, producing high-quality and convenient kitchen and household items since 1853. WMF has won numerous international design awards for both design and functionality, especially in relation to frying pans, pots, and Cromargan® steel production. The range includes cooking and frying utensils, knives, cutlery, as well as various electrical appliances. Airtight, keeps sparkling wines fresh for several days. Made of high-quality stainless Cromargan® steel.