Postal Flat Rate Box Prices - Weight restrictions for priority mail international large and medium flat rate boxes are 20 pounds, and 4 pounds for priority mail international flat rate envelopes and small flat rate. The postal store® does not accept orders for shipment outside the united states, but we do ship to apo/fpo/dpo addresses and u. s. Stamp & philatelic orders all. Priority mail flat rate boxes from the u. s. Priority mail flat rate® pricing flat rate boxes make shipping simple. Quickly determine if shipping by usps flat rate is right for you by heading to the usps shipping calculator on our home page. Enter the measurements of your package to. The priority mail flat rate® small box is about the. On the top end, large usps flat rates. The fixed pricing and flexible shipping options make them a popular. Summary of ground advantage.
Weight restrictions for priority mail international large and medium flat rate boxes are 20 pounds, and 4 pounds for priority mail international flat rate envelopes and small flat rate. The postal store® does not accept orders for shipment outside the united states, but we do ship to apo/fpo/dpo addresses and u. s. Stamp & philatelic orders all. Priority mail flat rate boxes from the u. s. Priority mail flat rate® pricing flat rate boxes make shipping simple.