For pouring and storing, these Twist & Pour Oil and Vinegar Pourers from POURO fit most standard oil and vinegar bottles, and provides exceptional protection from oxidation, evaporation, and the pesky little fruit flies and gnats that get into your bottles. It's easy to use design makes it easy to twist the pourer open for a fast and easy pour and doesn't require you to cap at the end of the night. To close, simply twist back to store. No spills or messes. Great for juices, flavoring syrups, dish soap. These excellent pourers are a great addition to your home, bars, restaurants, catering, coffee shops, and hotels. NOTE: This item is BPA FREE.