Still, I use the Regional Rate boxes far more than the Medium Flat Rate and Large Flat Rate boxes, just because the ship for less $. They don't work for international shipments, though. The Regional Rate A box is a bit smaller than the Medium Flat Rate box, but can ship bulky items at much less cost than Medium Flat Rate (I can ship a bulky item up to 15lbs within my local region/zone for less than the price of the Small Flat Rate - and to the other side of the country for $2.85 less than the slightly bigger Medium Flat Rate box).

This service means that you will be charged a fixed price for the item’s size, which is predetermined by the boxes that are provided.

While you are at, you might consider getting a few Regional Rate boxes for shipping within the US. A Small Flat Rate Box is a box that USPS provides to its customers who want to ship items using the Flat Rate service. Or ship by weight: For packages up to 70 lbs, prices vary by destination country price group and start at 42.10. The roomier Large Video Flat Rate Box only goes flat rate for international shipments (for domestic destinations, it goes by weight, not flat rate). Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at 30.35. The Small Flat Rate Boxes work for both domestic and international destinations. Yes, get them delivered to your door free of charge at the USPS Supplies Store (go down the menu on the left side and choose 'Priority Mail' for the selection of free boxes).

Usps small box flat rate international