priority box flat rate prices

priority box flat rate prices refer to the fixed pricing that USPS offers for shipping certain sizes of boxes. These boxes come in various sizes, and the rate remains the same regardless of the weight or distance traveled (within the U.S.). Priority Mail Flat Rate boxes are ideal for businesses that need to ship items of varying weight without worrying about fluctuating rates. This pricing structure simplifies budgeting and helps ensure consistent shipping costs for businesses.