No... It cannot be sent through USPS to P.O. Boxes.
6-10 days depending how you mailed it.
no its returned to your address or just stays at the post office
1 to 14 days or more
Next morning.
Not on the outside if you wrap them and put them in another box that would be fine.
The post office has the option of returning the letter to sender, if there is insufficient postage.
1 to 14 days or more
3.5 inches by 5 inches I mailed one out and it seemed to work. Anything smaller will be kept by the post office or returned to sender.
3-5 days
first class 3 to 5 days
1 to 14 days or more
A package mailed at the post office weighs 584 grams What is its weight in pounds?approximately 1.2848 pounds