Screwpull WA-119 3-in-1 Aerator, Pourer, and Stopper Stylish 3-in-1 bar tool enhances the flavor, bouquet, and finish of any wine Double-aeration chamber system allows wine to breath while poured Attaches to any standard bottle for hands-free operation; controlled flow with gentle pouring Airtight, leak-proof seal locks in flavor to preserve partially opened bottles Measures approximately 1-2/7 by 2-1/2 by 4-1/2 inches; 5-year limited warranty