Hello Tam, yes.
If you order custom size now (about 3 weeks making costume time) and use the free shipping method (Standard Shipping, 20-30 days shipping time), it will reach you around mid May.
*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. :)