Sometimes when your destination is an oversea address, our standard shipping charge may not cover the actual shipping cost. In such case we may inform you to buy extra post credit. You have the option to accept or reject the extra charge. If you choose to reject the extra charge, we will cancel your order and void the charge to your credit card. Below is the cost of post credit:

1 credit        US$ 16
2 credits       US$ 24
3 credits       US$ 32
...
n credits       US$ (n+1)x8