I'm WFA certified, so maybe a little more stuff, but not much:
Duct tape wrapped on small pencil
6 2x2s
6 4x4s
Antibiotic ointment
Pair of gloves
Patient eval sheets
SAM Splint
Roll of self-adherent wrap
Variety of band aids
Couple of alcohol wipes
Advil, Tylenol, excedrin, pepto, Benadryl ...