... -mildew,economic,durabl Yihe cooling pad discription:1) Use the new material and the space crossing linking technology ... water-resistant, anti-mildew and long service life.2)Large evaporative area, cooling efficiency as high as ... human body, safety, energy saving, environment protection and economic applicable 5)Variety color:Brown,Green,Green ... 5-8%, humidity at 18N) Yihe cooling pad with aluminum frame