1. KOOLFEVER Refreshing Mint is ready to use when your child or any of your family member becomes feverish with a stuffy nose.
2. Refreshing mint fragrance can also help to promote smooth breathing.
3. Cooling effect will persist for whole night(about 8 hours* per sheet).
4. Because it tightly fits to the forehead, it will not be displaced even the wearer tums in bed.

According to our independent test. (the duration depending on usage conditions)