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. Shipping supplies are free.

Plus, you’ll save when you ship online.

Image of Priority Mail Flat Rate™ Supplies

Features

  • Delivery in 6 to 10 business days1
  • Reliable and affordable
  • Includes tracking information with USPS Tracking™2
  • May qualify for Free Package Pickup3

Downloadable Pricing File
Priority Mail International - Retail

Compare other USPS® mailing and shipping services ›

 

1 For many major markets. Average number of days may vary based upon origin and destination.
2 Limitations may apply for certain destinations. Not available for Priority Mail International Flat Rate Envelopes or Small Flat Rate Priced Boxes.
3 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

10'' x 5''

Pre-addressed Envelopes

Small Envelope

10'' x 6''

Small Documents
Passports

Padded Envelope

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

Clothing
Books
Boxed Jewelry

Legal Envelope

15'' x 9 1/2''

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

If It Fits, It Ships®. Order free Priority Mail Express International™ Flat Rate Supplies. Mailable items up to 20 lbs. Image of Priority Mail Express™ boxes.Boxing and Packaging Tips. Learn these guidelines for preparing your international shipment. Go. Image of a stack of plates and a packing box.Ship Online.  Print a label with postage and customs forms. Image of a printer with shipping label and customs forms.