Quick Tools

Always a Click Away
Roll over the tools menu across the site to access quick, handy tools.

Priority Mail International Flat Rate

 

Priority Mail International Flat Rate™ service lets you send the Large and Medium Flat Rate Boxes up to 20 lbs, and the Flat Rate Envelopes and Small Flat Rate Priced Boxes, up to 4 lbs, to over 180 countries, all for a low Flat Rate.

Plus, you’ll save when you ship online.

Image of Priority Mail Flat Rate™ Supplies

Features

  • Delivery in 6 to 10 business days*
  • Reliable and affordable
  • Includes tracking information with our Track & Confirm tool**
  • May qualify for Free Package Pickup***

Downloadable Pricing File
Priority Mail International - Retail

Compare other USPS® mailing and shipping services ›

 

* For many major markets. Average number of days may vary based upon origin and destination.
** Not available for Priority Mail International Flat Rate Envelopes or Small Flat Rate Priced Boxes.
*** For details on Free Package Pickup, go to usps.com/pickup.

When you ship with a Medium, Large, or Board Game Flat Rate Box, indemnity coverage protects your package against loss, damage, or missing contents. If you need more protection than provided by ordinary indemnity or want to insure your package up to its full value, you can purchase additional insurance.

Learn more about Priority Mail International® Insurance ›

Service/Option

Size

Great for...

Letter Envelope

12 1/2'' x 9 1/2''

Letters
Documents
Manuscripts

Gift Card Envelope

10'' x 7''

Oversized Greeting Cards
Gift Cards

Window Envelope

5'' x 10''

Pre-addressed Envelopes

Small Envelope

6'' x 10''

Small Documents
Passports

Padded Envelope

12 1/2'' x 9 1/2''

Clothing
Books
Boxed Jewelry

Legal Envelope

9 1/2'' x 15''

Legal Documents

Small Box

Outside:
8 11/16″ x 5 7/16″ x 1 3/4″

Inside:
8 5/8'' x 5 3/8'' x 1 5/8''

Brochures
Small Electronics
Accessories

Medium Box 1

Outside:
11 1/4" x 8 3/4" x 6"

Inside:
11'' x 8 1/2'' x 5 1/2''

Office Supplies
Shoes
Small Electronics

Medium Box 2

Outside:
14" x 12" x 3 1/2"

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

AV Equipment
Clothes

Large Box

Outside:
12 1/4" x 12 1/4" x 6"

Inside:
12" x 12" x 5 1/2"

Laptop
Computers
Multiple Items

Large Board Game Box

Outside:
24 1/16" x 11 7/8" x 3 1/8"

Inside:
23 11/16" x 11 3/4" x 3"

Board Games

Ship Abroad for One Low Rate*. Learn about Express Mail International® Flat Rates. Ship mailable items up to 20 lbs. Image of Express Mail box.Calculate the Weight. Shop for scales. Image of USPS branded post scale.Ship Online.  Print a label with postage and customs forms. Image of a printer with shipping label and customs forms.