Standard #9 Natural Wine Corks - 100 Count Premium Bottle ClosuresProtect your vintage with Standard #9 Natural Corks. These 45x24mm corks are the industry standard for long term wine storage, providing a reliable, breathable seal that allows for the graceful aging of red and white wines. Sourced from high quality natural cork bark, these closures are designed to fit standard wine bottles (750mL) and provide a professional, traditional finish for the home winemaker. Wine Maker's Tip: Never "soak" natural corks in