Hello Bika-chan, yes, if you order standard size now (about 15-17 business days) and use the fastest shipping method ( Premium Express , 3-6 days shipping time), it will probably reach you before 16th Aug.
*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.