Made from nonrust zinc alloy with foodgrade components, this wine bottle stopper seals opened bottles quickly and safely to preserve flavor and freshness. Key benefits Preserves taste: Rubber sealing rings block oxygen and reduce oxidation so wine stays closer to its original flavor after opening. Easy to use: Simply pop the stopper into the bottle neck for an immediate, reliable seal — no tools or complicated steps. Durable and safe: Nonrust zinc alloy construction with foodgrade materials that have no chemical odor, suitable for repeated use. Features and specifications Material: Nonrust zinc alloy body with foodgrade, odor sealing components. Size: Measures about 11.3 x 4.5 x 2 cm — designed to fit bottle necks matching these dimensions. Function: Pushin stopper with multiple rubber rings to form an airtight barrier and support long preservation. Practical uses Afterdinner storage: Reseal an unfinished bottle to keep the remaining wine tasting fresher the next day. Entertaining: Quickly secure opened bottles between pours at parties and gatherings to limit flavor loss. Fridge or cellar storage: Use the stopper when chilling or storing bottles to reduce exposure to air during short to mediumterm storage. Notes Check the stopper dimensions against your bottle neck to ensure a snug fit. Clean before first use and hand wash as needed to maintain sealing performance.