Hello Nat, thanks for your questions. (n__n)
1. please click "Size Chart" (under the price information & "Buy it now" button) to check the standard size chart information. **If the standard size doesn't fit you, you can simply choose the "custom size" and give us your exact body size information.
2. if you order standard size around 30 August (about 2-3 weeks making costume time) and use the fastest shipping method (Premium Express, 3-6 days shipping time), it will reach you around 4 weeks after the order is paid & confirmed.
*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. :)