General description Stainless Steel Wine Bottle Stoppers are designed to keep your wine fresh for up to 10 days. These reusable vacuum rubber sealers feature a built-in pressure pump, ensuring an airtight and leak-proof seal. Made from food-grade SUS304 stainless steel and durable silicone, they provide a safer and more reliable alternative to traditional cork or plastic stoppers. Technical specifications Material: SUS304 stainless steel and durable silicone Size: 9.5 cm x 4 cm Weight: 2 pcs Compatibility and accessories Suitable for all red and white wine bottles Not suitable for champagne/sparkling wine bottles or screw-top bottles Installation Simply insert the stopper into the bottle Press the lever to seal the bottle tightly Usage Helps preserve unfinished wine, beer, or other beverages Maintains the natural fresh smell and taste of wine for up to 10 days after opening Convenient for storage in wine refrigerators and standard refrigerator shelves due to its low profile design