... both use to cool and warm beverage, also can use to hot/cold compressa). For cool beverage ... want to be used continuously.Application 1) Keep wine,beer cool, fresh and milk warm.2) Hot compress ... headache, strain, scald and fatigueCharacteristic 1). This product can either be used for cool and warm beverage with ... soft even in - 18°C condition, and can be repeatedly used alternatively for hot and cold 2 ...