... .1.Using new material and professional glue.2.High absorbality,high water resistant,anti-mildew and long serive life. ... 3.Large evaporation area,cooling efficiency is as high as 80%.4.Variety of shape:galvanized sheet, ... are made up of cooling pad,exhaust fan,water circulation and control device. With the theory of temperature drops ... is about 1/7 of air conditioner. Cooling pad with black coating