小弟最近在國外網站internationaljock 買了3件內褲
收到信說9/6號已經出貨，說有可能8-12工作天，可是可能會更久
到今天9/20都還沒收到，不知道要多久才會來QQ
以下是他的信件內容
Greetings from International Jock.
Your order number 830859 was shipped today via Air Mail from our distribution
center in Los Angeles, California.
Air Mail packages should arrive in an average of 8-12 business days, but can
take three or more weeks to arrive. Please also check with your local post or
customs office as they may hold your shipment for you.
Thanks for shopping at International Jock, and we hope to see you again soon.
那個時候的運費是9點多美金，每一件再額外加0.95美金
這樣大概是什麼樣的包裹，大概多久會到阿?
有沒有大大有相關經驗呢?