6-8 diapers (several more if you're traveling with a newborn)
baby wipes in a travel case
change of clothes according to the season
2 receiving blankets
large cotton blanket (for extra comfort on long car trips)
2 rattles & teething rings
your baby's favorite small stuffed animal or toy a musical toy or book
bottles with breast milk or formula stored in an insulated carrier jar
baby food, dish and spoon
2-3 burping rags
1 bib
hand sanitizer (for quick clean ups after a diaper change)
2-3 plastic bags (for disposing of dirty diapers) tissues
small toiletry bag to hold supplies
diaper rash ointment
bandages
nail clippers
acetaminophen
washcloth
baby soap