transporting breastmilk to daycare

As

Help, the daycare said we have to bring defrosted bottles with, enough for an 8 hour day. Baby is 16 weeks.

Does that mean I would wake up early, thaw the frozen breastmilk, and make bottles?

How many? my breastmilk bags are 5oz each.

how long can that keep in the fridge?

Sorry, new to this and need some help understanding what to do.