When baby is about 5 months of age, fill the bag with ice or frozen fruit and it becomes the perfect teether.

婴儿5个月的时候，把冰块或者冷藏的水果放到咬咬袋里面，就成了最好的牙胶了。

youdao

When baby is about 5 months of age, fill the bag with ice or frozen fruit and it becomes the perfect teether.

婴儿5个月的时候，把冰块或者冷藏的水果放到咬咬袋里面，就成了最好的牙胶了。

youdao