KOOLFEVER is a trusted brand from Kobayashi Pharmaceutical Japan. KOOLFEVER is ready to use as it is when your child or any of your family member becomes feverish. Chill KOOLFEVER into refrigerator for a better cooling sensation. Adhesive cooling gel sheets that well fits onto child’s forehead stays well in place even when user turns in bed. Cooling sensation able to persist for whole night time up to 8 hours. KOOLFEVER has the size perfectly fitted to child’s forehead. Keep KOOLFEVER handy with you at all times.