Cooling pad Cooling pad is simple and convenient to use. Its main advantage is total safety. Traditional treatment for fever such as taking medicine or receiving injections will bring chemicals into your body, thus may harm your body or make you drug-fast. Cooling pad, on the other hand, is a safe cure only for external use. Ití»s totally free of side effects. 2 or 4 piecese in a small box, 100 boxes in a carton.