Flat Rate Pricing by Package Type
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Size
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Great for…
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Price
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Order Now
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Envelope
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12 1/2" x 9 1/2"
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Documents Manuscripts
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$4.75 paid online
$4.95 at the Post Office
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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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$4.75 paid online
$4.95 at the Post Office
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Window Envelope
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5" x 10"
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Pre-addressed Envelopes
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$4.75 paid online
$4.95 at the Post Office
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Small Envelope
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6" x 10"
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Small Documents
Passports
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$4.75 paid online
$4.95 at the Post Office
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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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$4.95 paid online or at the Post Office
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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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$4.95 paid online or at the Post Office
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Small Box
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8 5/8" x 5 3/8" x 1 5/8"
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Brochures
Small Electronics
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$5.00 paid online
$5.20 at the Post Office
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Medium Box
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11" x 8 1/2" x 5 1/2"
13 5/8" x 11 7/8" x 3 3/8"
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Office Supplies
Shoes
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$10.50 paid online
$10.95 at the Post Office
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Large Box
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12" x 12" x 5 1/2"
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Laptop Computers, Gifts, etc.
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$14.20 paid online
$14.95 at the Post Office
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APO/FPO Large Box
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12" x 12" x 5 1/2"
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Sending gifts to the troops
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$12.20 paid online
$12.95 at the Post Office
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Large Board
Game Box
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23 5/8” x 11 3/4” x 3”
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Board Games
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$14.20 paid online
$14.95 at the Post Office
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| Pre-Paid Priority Mail Flat Rate Packaging |
Various sizes available |
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Learn More
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With Priority Mail, you already get …
Delivery status info with our Track & Confirm tool.
Carrier Pickup™ to have your carrier pick up the package at your door.
If you buy Priority Mail service online, you get …
Delivery Confirmation to see when it was delivered or delivery was attempted.
You can add the following options online…
Insurance coverage up to $5,000 with a USPS.com online label.
Signature Confirmation™ to see when it was delivered or delivery was attempted, and add
You can add the following options at a Post Office™ to…
Insure the contents.
Insurance coverage up to $5,000.
Registered Mail™ for loss or damage up to $25,000.
Get delivery information.
Delivery Confirmation™ to see when it was delivered or delivery was attempted.
Signature Confirmation to see when it was delivered or delivery was attempted, and add security by requiring a signature.
Get proof of mailing.
Certificate of Mailing as a way of proving the date you sent it.
Get proof of mailing and delivery information.
Certified Mail™ See when it was delivered or delivery was attempted. Requires the signature of the recipient.
Get proof of delivery.
Return Receipt with proof of delivery sent by mail or email showing the recipient's signature.
Return Receipt for Merchandise with proof that you mailed the contents to your customer and proof of delivery sent by email, fax, or postcard.
Get only authorized recipients to sign for the delivery
Restricted Delivery to specify who is allowed to sign for the delivery.
Get your customers to pay for merchandise.
Collect on Delivery (COD) Recipient pays for merchandise and shipping when they receive the package.
Send contents needing extra care.
Special Handling to get preferential handling.
Learn more about extra services ›
- Package contents must reasonably fit within the Flat Rate Box or envelope.
- Maximum weight is 70 lbs.
- Can't include any hazardous materials.
- With few exceptions, cigarettes and smokeless tobacco shipments cannot be mailed.
See tobacco restrictions and guidelines ›
- Packages being sent to a Military Post Office (APO/FPO/DPO) have specific restrictions regarding content, preparation and handling. Some Post Offices may not accept Priority Mail packages for APO/FPO/DPO locations.
Find out what you can mail ›
What’s considered hazardous? 
