computer cooling pad 1,below body temperature 6-7C 2,PCM 3,cool ... . Product feature1, This ice-pad can use directly when set the temperature at 30°C,without electricity, cooling effect is obvious within ... needed to put on the ice-pad.3, The cooling effect is relatively weak when the ice-pad is liquid. For better propose ... sunlight.9,The filler is inedible phase change material computer cooling pad