summer ice cushion 1,below body temperature 6-7C 2 ... below 27°C. Product feature1, This ice-pad can use directly when set the temperature at 30°C,without electricity ... the temperature, the faster it crystallized.3, The filler use the environment protection material, no harm to the body, ... the ice-pad is liquid. For better propose, alternate use.4, The ice-pad crystallized automatically under 27°C.In ...