1.外层PET材质，内层PE材质，环保无毒，耐热耐寒。                                                                       2.袋子上端容量标识，给宝宝定量喂奶时可以预先标示要冲兑的容量。                                       3.加宽设计的流线形奶粉流出口，奶粉倒出更容易。                                                     4.外出时可分装包包一次性食用的奶粉量。