sending waivered LOR to ERAS - getup

[ArchivalUser]

I got waivered LORs form doctors at my home country with all sealed in a seperate envelope. They're in my medical school, now. Can I send it in one fedex envelope? or I have to send it each seperately in a different envelope?

Can I send my MSPE in that envelope too with DSF?

Share your thoughts. Thanks.