It is a cap that covers the canned drink that has been drunk. It is convenient for driving, outdoor events, drinking parties, and desk work.

When the lid is closed...
　・ Difficult to spill and remove carbonic acid!
　-Can be used as a tab opener.

The inside of the cap has a double structure and supports 190 sizes of 350 ml, 500 ml, and 3 ml.
(Please note that some canned drinks are not compatible with this product.)

Although it has a structure that prevents liquid from leaking, please be aware that it may spill if the can collapses or falls vigorously.
Also, it is not recommended to carry it in a bag etc.