Absorbs and disperses heat effectively to lower your body temperaturePerfectly fitted to child's forehead and will not detach easily even at nightThe cool effect will last for about 8 hours per sheet providing long-term reliefHighlights: Absorbs and disperses heat effectively to lower your body temperaturePerfectly fitted to child's forehead and will not detach easily even at nightThe cool effect will last for about 8 hours per sheet providing long-term relief