USPS® Priority Mail® Box Size GuideThe table below shows options for different Priority Mail Boxes and Envelopes, along with dimensions, online postage pricing and weight options.

Box Image DescriptionOutside

Box Length

Outside Box

Width

Outside Box

Height

Online Postage

PriceWeight

Limit Packaging SKU

Non-Flat Rate Small Cube Box 7 1/4” 7 1/4” 6 1/2” Starts at

$5.05Up to70 lbs.

Ships in packs of 10 or 25

10 PACKO-BOX4

25 PACK O-BOX4X

Non-Flat Rate Large Cube Box 12 1/4” 12 1/4” 8 1/2” Starts at

$5.05Up to70 lbs.

Ships in packsof 10 or 25

10 PACK O-BOX7

25 PACK O-BOX7X

Non-Flat Rate Shoebox 7 5/8” 5 1/4” 14 5/8” Starts at

$5.05Up to70 lbs.

Ships in packsof 10 or 25

10 PACK 0-SHOEBOX

25 PACK 0-SHOEBOX-X

Non-Flat Rate Small Box,

Side-Loading11 5/8” 2 1/2” 13 7/16” Starts at

$5.05Up to70 lbs.

Ships in packsof 10 or 25

10 PACKO-1097

25 PACK O-1097X

Non-Flat Rate Medium Box, Side-Loading

12 1/4” 2 7/8” 13 11/16” Starts at $5.05

Up to70 lbs.

Ships in packs of 10 or 25

10 PACK O-1092

25 PACK O-1092X

Order USPS Supplies in Bulk! Call 1-800-610-8734.

PRIORITY MAIL® BOXES

Non-Flat RateSmall Box,

Side-Loading12 7/16” 3 1/8” 15 5/8” Starts at

$5.05Up to70 lbs.

Ships in packsof 10 or 25

10 PACKO-1095X

25 PACKO-1095

Non-Flat RateDVD Box 8 3/4” 5 9/16” 7/8” Starts at

$5.05Up to70 lbs.

Ships in packs of 25

Max orderis 20 packs

25 PACKODVDS

Large Video Box - about the size of two VHS tapes

9 9/16” 2 3/16” 6 7/16” Starts at $5.05

Up to70 lbs.

Ships in packsof 10 or 25

 10 PACK O-1096L

25 PACK O-1096LX

Small Triangle Tube 25 5/8” 6 5/16” Starts at

$5.05Up to70 lbs.

Ships in packs of 10

Max orderis 50 packs

10 PACK O-1098S

Medium Triangle Tube 38 5/16” 6 9/16” Starts at

$5.05Up to70 lbs.

Ships in packs of 10

Max orderis 50 packs

10 PACK O-1098M

All prices listed are Commercial Base rates (effective January 2013), only available for online postage vendors such as Stamps.com.

Download this PDF guide at www.stamps.com/whitepapers

Priority Mail Flat Rate Padded Envelopes are a great option to lower shipping costs. The Padded Envelope is flexible enough to include a small box inside to protect your items, but you are charged for only the low shipping cost of an envelope!

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Box image DescriptionOutside

Box Length

Outside Box

Width

Outside Box

Height

Online Postage

PriceWeight

Limit Packaging SKU

Tyvek Envelope for PM service

non-flat Rate Water Resistant

and Tear Resistant

15 1/8” 11 5/8” Starts at $5.05

Up to70 lbs.

Ships in packs of 10

Max orderis 80 packs

10 PACKEP 14

Tyvek Envelope for PM service

APO/FPO version non-flat rate

Water Resistantand Tear Resistant

15 1/8” 11 5/8” Starts at $5.05

Up to70 lbs.

Ships in packs of 10

Max orderis 80 packs

10 PACK MILI-PAC

PRIORITY MAIL® ENVELOPES

Priority Mail Rate GuideClick to download

Media Mail Rate GuideClick to download

Other Free Guides from Stamps.com

First Class Package International Service

Rate GuideClick to download

PRIORITY MAIL FLAT RATE® BOXES

Box image DescriptionOutside

Box Length

Outside Box

Width

Outside Box

Height

Online Postage

PriceWeight

Limit Packaging SKU

Small Flat Rate Box 8 11/16” 1 3/4” 5 7/16” Always $5.15

Up to70 lbs.

Ships in packs of 10 or 25

Max order is 500 boxes

10 PACK O-SMALL-FRB

25 PACK O-SMALL-FRBX

Medium Flat Rate Box,Top Loading

11 1/4” 8 3/4” 6” Always $11.30

Up to70 lbs.

Ships in packsof 10 or 25

10 PACKO-FRB1

25 PACKO-FRB1X

Medium Flat Rate Box, Side Loading

12” 3 1/2” 14” Always $11.30

Up to70 lbs.

Ships in packsof 10 or 25

 10 PACK O-FRB2

25 PACKO-FRB2X

Large Flat Rate Box,Top Loading 12 1/4” 12 1/4” 6” Always

$15.30Up to70 lbs.

Ships in packsof 10 or 25

10 PACKLARGE-FRB

25 PACK LARGE-FRBX

APO/FPO Large Flat Rate Box,Top Loading

12 1/4” 12 1/4” 6” Always $13.30

Up to70 lbs.

Ships in packsof 10 or 25

10 PACKMILI-FRB

25 PACKMILI-FRBX

Board Game Large Flat Rate Box

Side Loading (holds approximately

2 board games)

24 1/16” 3 1/8” 11 7/8” Always $15.30

Up to70 lbs.

Ships in packs of 25

Max order is 20 packs

1 PACKGB-FRB

Order USPS Supplies in Bulk! Call 1-800-610-8734.

Box image DescriptionOutside

Box Length

Outside Box

Width

Outside Box

Height

Online Postage

PriceWeight

Limit Packaging SKU

Window Flat Rate Envelope 10” 5” Always

$5.05Up to70 lbs.

Ships in packs of 10

Max order is50 packs

10 PACKEP 14-H

Small FlatRate Envelope 10” 6” Always

$5.05Up to70 lbs.

Ships inpacks of 10

Max order is40 packs

10 PACKEP 14-B

Gift Card FlatRate Envelope 10” 7” Always

$5.05Up to70 lbs.

Ships in 2 or 5 pack mailers

2 PACK EP14GTV

5 PACKEP14GT2

Flat Rate® Envelope 12 1/2” 9 1/2” Always $5.05

Up to70 lbs.

Ships in packs of 10

Max orderis 60 packs

10 PACKEP 14-F

Padded Flat Rate Envelope 12 1/2” 9 1/2” Always

$5.70Up to70 lbs.

Ships in packsof 5, 10 or 15

5 PACKEP14PE-V

10 PACK EP14PE-X

15 PACK EP14PE-XV

Legal Flat Rate Envelope 15” 9 1/2” Always

$5.25Up to70 lbs.

Ships inpacks of 10

Max orderis 60 packs

10 PACKEP14L

All prices listed are Commercial Base rates (effective January 2013), only available for online postage vendors such as Stamps.com.

Download this PDF guide at www.stamps.com/whitepapers

PRIORITY MAIL FLAT RATE® ENVELOPES

Box image DescriptionOutside

Box Length

Outside Box

Width

Outside Box

Height

Online Postage

PriceWeight

Limit Packaging SKU

Regional Rate BoxA - Top Loading 10 1/8” 7 1/8” 5” Starts at

$5.32Up to15 lbs

Ships in packsof 5, 10 or 25

5 PACKRRB-A

10 PACKRRB-A1X

25 PACKRRB-A1V

Regional Rate BoxA - Side Loading 11 1/16” 2 1/2” 13 1/16” Starts at

$5.32Up to15 lbs

Ships in packsof 5, 10 or 25

5 PACKRRB-A2

10 PACKRRB-A2X

25 PACKRRB-A2V

Regional Rate BoxB - Top Loading 12 1/4” 10 1/2” 5 1/2” Starts at

$6.16Up to20 lbs

Ships in packsof 5, 10 or 25

5 PACKRRB-B1

10 PACKRRB-B1X

25 PACKRRB-B1V

Regional Rate BoxB - Side Loading 14 1/2” 3” 16 1/4” Starts at

$6.16Up to20 lbs

Ships in packsof 5, 10 or 25

5 PACKRRB-B2

10 PACKRRB-B2X

25 PACK RRB-B2V

Regional Rate Box C 15” 12” 12” Starts at $15.11

Up to25 lbs

Ships inpacks of 1

Max order is 1 pack

1 PACKRRBC

PRIORITY MAIL® REGIONAL RATE BOXES

For products like shoes and clothing, Priority Mail Regional Rate Box A is the lowest cost option for packages traveling across the U.S. and weighing between 3 lbs. and 15 lbs.

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