BINGDAISHIYIZHONGXINQILENGDONGJIEZHI，YOUYONGLIYONGLENGRONGLIANGWEIBINGDE３～4BEI。HUWAIBINGDAI（cooler bag）SHIZHIHESHIYUHUWAIGUANGUANGZHONGBAOXIANSHIPIN，JIANGWENJIESHU，DIAOYU，SHOUZANGYUNSHUDENGDEKEJIBINGDAI，ZAIZANMENDEPINGCHANGHUKOUZHONG，LIYONGYULAIYUPINRENG，TEBIETADUISHUIZHIDEWUJINGHUA，ZAODAOLEYULAIYUDUORENDEXIAI。