The WMF Clever & More champagne stopper is made of high-quality stainless Cromargan® 18/10 steel. With a diameter of 4 cm, the 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. The WMF Clever & More champagne stopper keeps sparkling wine and champagne fresh and bubbly for a long time. The product is dishwasher safe and has a height of 5 cm. When the manufacturing material of a product must be 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. The quality of Cromargan® steel 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 and has been producing high-quality and practical kitchen and household items since 1853. WMF has won numerous international design awards for both product design and functionality, especially in relation to frying pans, pots, and the production of Cromargan® steel. The range includes not only cookware and cutlery but also various electrical appliances.