Hi ,
RM4 is the size of a A4 . Maybe he want to give you the paper in a good form instead of folding it
If use RM3 size , you may need to fold it a little bit

Just need one day for PUTRAJAYA to PENANG . But , it depends on Zone , please kindly refer to the PosEkspress Envolop for Delivery TimeFrame .
Yes , surely within 9 days ! If doesnt arrive within 4 days , call PosLine / Receiver's Local Bahagian Serahan Department for enquiry

Thanks ,
Chris
Is it we enter the code of the yellow sticker in the track and trace? And, I wonder if there is any case that it states delivered but actually not? -.- scared of lost..... important documents to MOE....