Diaper Bag Essentials

So everyone carries a diaper bag around once baby comes along, but just what all do Moms carry in those things anyway? And, the better question, what is necessary, and what is not?

The Essentials:
diapers
wipes
changing pad
diaper rash cream
wet bag
bib
burp cloth
milk/formula
snack
onesie (or other change of clothes for baby)
pacifiers

If Room Allows:
extra shirt for Mom
placemat (see post from last Friday!)
plush toy/s
book
sunscreen
first aid kit
hand sanitizer
baby's wide-brimmed hat
baby lotion
baby powder
pacifier clip
lovie or other snuggly blanket