Heat-sama sheet bargain for children 8 hours 12 + 4 sheets (16 sheets) is a skin-friendly cooling gel sheet. Combination of cool lasting stub in gel. The coldness gradually works afterwards & the cooling feeling lasts for 8 hours. 12 + 4 sheets for children. As you may stick & may obstruct nose & mouth while putting please be careful enough when you use especially for small children. At a time like this you want cold even in a place like headache toothache the skin flushed was after the sport