Priority Mail^®

1-3 Business Days

Fast domestic service in 1, 2, or 3 business days.

Priority Mail International^® Large Flat Rate Box

12" x 12" x 5 1/2"

Priority Mail International^® Medium Flat Rate Box

13 5/8" x 11 7/8" x 3 3/8"

Priority Mail International^® Small Flat Rate Box

8 5/8" x 5 3/8" x 1 5/8"