... treatment)filler: a specific high-tech nanometer ice-pad material Product Size: 15*25cm,20*35cm,25* ... cloth is needed to put on the ice-pad.3, The cooling effect is relatively weak when ... the ice-pad is liquid. For better propose, alternate use.4, The ice-pad crystallized automatically under ... high temperature.6,When using as a laptop pad, the re-crystallized granules might be bigger because ...