Ideally, yes.
Room temperature or cooler is the better option for a drop-off location, but if it's not too hot where you are and the FedEx dropbox isn't in direct sunlight, your kit will do just fine.
Ideally, yes.
Room temperature or cooler is the better option for a drop-off location, but if it's not too hot where you are and the FedEx dropbox isn't in direct sunlight, your kit will do just fine.