【在 s*k 的大作中提到】 : I've found lots of 大神 on this board are like that.
t*e
7 楼
换密码
T*y
8 楼
NO problem if you choose Priority mail. Well, if the mail is less then 12oz (or 13Oz?) and you like to save some money, you can choose first class parcel which can have delivery confirmation. But you should do as mentioned in the reply above to increase thickness.