Hello Zhang Liang, this costume need 12-17 business days to prepare, iif you use the fastest shipping method (Premium Express, 3-6 days shipping time), it will reach you around mid-September, so we are sorry to tell you that it can't reach you in a week.
*All shipping information (including methods, cost & estimated delivered date) will be shown in order page, before payment; you can pay extra cost to upgrade shipping method there.
*Please remember to mark down the date (you need it) in the order form when you order it. :)