product description You can drink as much or as much as you want, open the cap and store it for later use. When you are ready to have another drink, open the cap and enjoy! 1. It has been proven to extend the shelf life of canned beverages and help avoid accidental spillage and leakage 2. Isolate germs and keep dust, bugs and small debris away from your drink. 3. Reusable, portable, and portable. 4. Suitable for all kinds of canned drinks