Perineal instant cold pack bulk

Basic information
1.Product size:10*32cm/11*32cm/11*36cm
2.Weight:150-250g
3.Materials:urea+warter/calcium ammonium nitrate+warter

Function：
1.Cold use
2.Reduce body's temperature
3.Relieve pain and reduce swelling

How to use：
1.Squeeze the water bag inside with your hand.
2.It can release cold with 5 seconds when it is activated,the temperature keeps 8℃-14℃。