
The expected delivery data does not come with a money-back guarantee. In most cases, the expected delivery date printed on your receipt or provided at checkout will reflect a delivery time of 1, 2, or 3 business days and is based on origin, destination, and drop-off time. Prepaid Forever Priority Mail Flat Rate ® Packagingġ. Priority Mail Flat Rate Products Expand All Free Supplies 8 You'll need to know your package’s weight, shape, and size measurements.Ĭalculate a Price More Priority Mail Service Details How to Send a Package: Domestic TIP: Use the USPS ® Price Calculator tool to calculate your domestic postage costs.

Maximum combined length and girth (girth is the distance around the thickest part) is 108 inches.You’ll need to measure your package to make sure it meets the size standards.Pay for your package based on how much it weighs and how far it’s going (the zone).Use your own box and pay by weight and zone (distance):

When sealing a Flat Rate Envelope or Box, the container flaps must be able to close within the normal folds.Use our Priority Mail Flat Rate Envelopes or Boxes that come in standard sizes so you don't have to worry about measuring them.

