Shuwen - M
Malcolm - M
Joseph - as large as possible
Zhijie - as large as possible
Desmond Chow - L
Jiayi - XS
Francesca - S
Evelyn - S
Gerald - M
Huimin - S
Desmond - M
SArah - S
Has - S
Jiexin - S

This is the T-shirt size for those who are going to WMC. For some who din sms me, i put S for ladies and M for guys.