配有吸管替换装，可以很轻松的把鸭嘴杯变身为吸管杯，简单，实用。
A straw adaptor that instantly converts the cup from sippy to straw drink cup.
我们曾经试过很多不同款式的吸管杯，可是，不是硬硬的吸管用起来不舒服，就是软管长度不够让我的宝宝不爱使用。
We tried several different styles of sippy cups but the rigid sippers were uncomfortable or the soft sippers weren't long enough for our baby so he refused them.
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