Please Note: This product ships in Single Boxes (1-5), and packs of 10 or 25 boxes. An order of 1 equals (1-5) single boxes, a pack of 10 or 25 boxes depending on your selection under Format.
The Priority Mail® Medium Flat Rate Box - 1 is a quick, easy, and convenient way for you to ship USPS Priority Mail® packages. The Priority Mail® Medium Flat Rate Box features predetermined rates regardless of weight (domestically) or destination, similar to the Flat Rate Envelope.
Inside Dimensions: 11" x 8-1/2" x 5-1/2"
Outside Dimensions: 11-1/4" x 8-3/4" x 6"
- Can be used for Domestic Priority Mail and International Priority Mail (20 lb weight limit applies).
For more information, please visit the Shipping page
SKUs featured on this page: P_O_FRB1l, P_O_FRB1X, P_O_FRB1