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
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Size
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Great for...
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Letter Envelope
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12 1/2'' x 9 1/2''
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Letters Documents Manuscripts
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Gift Card Envelope
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10'' x 7''
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Oversized Greeting Cards Gift Cards
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Window Envelope
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5'' x 10''
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Pre-addressed Envelopes
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Small Envelope
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6'' x 10''
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Small Documents Passports
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Padded Envelope
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12 1/2'' x 9 1/2''
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Clothing Books Boxed Jewelry
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Legal Envelope
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9 1/2'' x 15''
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Legal Documents
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Small Box
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Outside: 8 11/16" x 5 7/16" x 1 3/4" Inside: 8 5/8" x 5 3/8" x 1 5/8"
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Brochures Small Electronics Accessories
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Medium Box 1
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Outside: 11 1/4" x 8 3/4" x 6" Inside: 11" x 8 1/2" x 5 1/2"
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Office Supplies Shoes Small Electronics
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Medium Box 2
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Outside: 14" x 12" x 3 1/2" Inside: 13 5/8" x 11 7/8" x 3 3/8"
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AV Equipment Clothes
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Large Box
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Outside: 12 1/4" x 12 1/4" x 6" Inside: 12" x 12" x 5 1/2"
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Laptop Computers Multiple Items
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Large Board Game Box
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Outside: 24 1/16" x 11 7/8" x 3 1/8" Inside: 23 11/16" x 11 3/4" x 3"
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Board Games
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With Priority Mail International Flat Rate™ Boxes and Envelopes, you already get…
Ordinary Indemnity Insurance for Medium and Large Flat Rate Boxes.
Package Pickup to have your carrier pick up certain Priority Mail International Small Flat Rate Envelopes at your door.
You can add the following option online for Priority Mail International Medium and Large Flat Rate Boxes…
Insurance for loss to the maximum amount allowed by the destination (see the Individual Country Listings) but never to exceed $5,000.
Get additional information in the International Mail Manual ›
You can add the following options at a Post Office™ to…
Insure the contents.
Insurance for Priority Mail International Medium and Large Flat Rate Boxes for losses to the maximum amount allowed by the country (see the Individual Country Listings) but never to exceed $5,000.
Get additional information in the International Mail Manual ›
Registered Mail™ for security and loss up to $46.14 for Priority Mail Flat Rate Envelopes and Small Boxes. Some countries have restrictions on Registered Mail.
Get proof of mailing.
Certificate of Mailing as a way of proving the date you sent it. This can only be used for unregistered Priority Mail Flat Rate Envelopes and Small Boxes.
Get proof of delivery.
Return Receipt with the recipient’s signature sent by email. Available only for Priority Mail International parcels when combined with insurance, and for Priority Mail Flat Rate Envelopes and Small Boxes when combined with Registered Mail service. Some countries don’t allow return receipts.
Learn more about Extra Services for business mailings ›
- Flat Rate Envelopes and Small Boxes have a weight limit of 4 lbs. Maximum weight for all other Medium and Large Boxes is 20 lbs.
- There are restrictions for mailing restricted and hazardous materials.
- Cigarettes and smokeless tobacco shipments cannot be mailed internationally. Cigars can be mailed internationally unless prohibited by the destination country.
See tobacco restrictions and guidelines ›
- When sealing a Flat Rate Envelope or Flat Rate Box, the container flaps must be able to close within the normal folds.
- Our Track & Confirm tool is not available for the Flat Rate Envelope and Small Box.
Find out what you can send internationally with the International Country Listings ›
Get additional information in the International Mail Manual ›