As polyurethane foam is filled between the double framed wall, it holds cold water for longer periods than conventional plastic water jugs. Also the body will not get wet by drops of dew even if filled with ice water.
由于聚氨酯泡沫塑料被填充在双层框架墙之间,因此它比传统的塑料水壶保持冷水的时间更长。此外,即使装满冰水,身体也不会被露珠弄湿。