The Coravin Aerator, used with your Coravin Wine Preservation Opener, enhances your wine experience by immediately mixing the right amount of air with the wine as you pour. This lets your glass of wine breathe without lengthy decanting, while ensuring the rest of the bottle remains perfectly preserved. The Coravin Aerator fits directly onto your Coravin Wine Preservation Opener, allowing wine aerate and pour seamlessly into your glass. Stainless steel, molded plastic and silicone. Hand wash. Imported.