you may check from the sender if there is any tracking number from the item sent to you.
Postal mail sometimes takes time to arrive.
If the mail is in bulk size, Q-post will call you (if the sender provide dyour contact number) or send you letter from their mail man to pick the item from respective Q-post branch.
or
you can check on this list from their website your name. http://www.imolink.net/qpost/ttchmail/parcel_wait.php