Can I ship a box like this? Technically a medium flat rate box and 1.5 priority shoe boxes taped together, but just under 5 pounds. They are knee high platform boots that
USPS Announces Changes to Delivery Time for Priority Mail Express
Priority Mail Regional Rate: Steer Clear! | Shipping School
USPS Priority Express Mail Flat Rate Envelopes | U.S. Postal Service Priority Express Mail Flat Rate Boxes | United States Postal Service Express Mail | Express 1