Select the desired shipping carrier. Depending on your location, there can be a significant price difference between these two carriers.
USPS & Fed Ex set shipping prices based on the weight of the item/s, the size of the box, and the distance ( postal zones) that the buyer and seller are from each other.
( Fed Ex will not deliver to a P.O. box).
If you are using a mobile device, you may not be able to see the 2 shipping choices.