Couple guys were in suit jackets with khakis, most guys were in slacks and a button down shirt with ties and sleeves rolled up, some guys were in polos, one dude was in a flannel with black pants. Girls seemed to be in skirts or professional looking pants and blouses. Definitely business casual. Some current vet students wore khakis and a polo shirt.
There wasn't really anything in there that you couldn't find out on the website. They included a copy of the current magazine "Tracks," some pamphlets on "academics, curriculum, student life and life in Blacksburg," and a letter which is essentially the same congratulatory letter as the email we received when we were invited to an interview.