Keep Wine Fresh for Longer 100% seal and leak proof to preserve wine flavor for up to 7 days after opening. Vacuum sealing with an air remover minimizes oxidation and keeps wine tasting fresh. Materials and Build Made from food grade silica gel and zinc alloy for safety and durability. Smooth edges and fingerprintproof coating for comfortable handling. Recyclable and reusable; requires manual cleaning after each use. Inner diameter of bottle mouth: 1.8 cm to 2 cm (0.7 in to 0.78 in), suitable for standard bottle openings. Easy to Use and Clean Ergonomic conical design for easy insertion and removal with a single pull. Can be stored in the refrigerator between uses. Dishwasher safe and reusable. Wide Compatibility Fits most standard wine bottles. Suitable for red wine, prosecco, cava and sparkling wine. Also usable for oil, beer, beverages and other bottles. Use scenarios After opening at home: keeps your sitting wine fresh for several days without flavor loss. During events: ideal for bar parties, holiday festivals, weddings and other gatherings to manage multiple bottles efficiently. For other bottles: useful for sealing oils, beers and various beverages, reducing waste and preserving taste. Notes Recyclable, reusable; manual cleaning required after each use. Some models may be dishwasher safe.