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.
PRIORITY MAIL BOXES
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 to 70 lbs.
Ships in packs of 10 or 25
10 pack O-BOX4
25 pack
O-BOX4X
Non-Flat Rate Large Cube Box 12 1/4" 12 1/4" 8 1/2" Starts at
$5.05Up to 70 lbs.
Ships in packs of 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 to 70 lbs.
Ships in packs of 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 to 70 lbs.
Ships in packs of 10 or 25
10 pack O-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 to 70 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.
Non-Flat Rate Small Box,
Side-Loading12 7/16" 3 1/8" 15 5/8" Starts at
$5.05Up to 70 lbs.
Ships in packs of 10 or 25
10 pack O-1095X
25 pack O-1095
Non-Flat Rate DVD Box 8 3/4" 5 9/16" 7/8" Starts at
$5.05Up to 70 lbs.
Ships in packs of 25
Max order is 20 packs
25 pack ODVDS
Large Video Box (about the size
of two VHS tapes)
9 9/16" 2 3/16" 6 7/16" Starts at $5.05
Up to 70 lbs.
Ships in packs of 10 or 25
10 pack O-1096L
25 pack
O-1096LX
Small Triangle Tube 25 5/8" 6 5/16" Starts at
$5.05Up to 70 lbs.
Ships in packs of 10
Max order is 50 packs
10 pack O-1098S
Medium Triangle Tube 38 5/16" 6 9/16" Starts at
$5.05Up to 70 lbs.
Ships in packs of 10
Max order is 50 packs
10 pack O-1098M
All prices listed are Commercial Base rates (effective January 2014), 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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PRIORITY MAIL ENVELOPES
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 to 70 lbs.
Ships in packs of 10
Max order is 80 packs
10 pack EP 14
Tyvek Envelope for PM Service
APO/FPO
version Non-Flat Rate
Water Resistant
and Tear Resistant
15 1/8" 11 5/8" Starts at $5.05
Up to 70 lbs.
Ships in packs of 10
Max order is 80 packs
10 pack MILI-PAC
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
$5.25Up to 70 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 to 70 lbs.
Ships in packs of 10 or 25
10 pack O-FRB1
25 pack O-FRB1X
Medium Flat Rate Box, Side Loading
12" 3 1/2" 14" Always $11.30
Up to 70 lbs.
Ships in packs of 10 or 25
10 pack O-FRB2
25 pack O-FRB2X
Large Flat Rate Box, Top Loading
12 1/4" 12 1/4" 6" Always $15.80
Up to 70 lbs.
Ships in packs of 10 or 25
10 pack LARGE-FRB
25 pack
LARGE-FRBX
APO/FPO Large Flat Rate
Box, Top Loading
12 1/4" 12 1/4" 6" Always $13.80
Up to 70 lbs.
Ships in packs of 10 or 25
10 pack MILI-FRB
25 pack
MILI-FRBX
Board Game Large Flat Rate
Box, Side Loading
(holds approximately
2 board games)
24 1/16" 3 1/8" 11 7/8" Always $15.80
Up to 70 lbs.
Ships in packs of 25
Max order is 20 packs
1 pack GB-FRB
Order USPS Supplies in Bulk! Call 1-800-610-8734.
PRIORITY MAIL FLAT RATE ENVELOPES
Box image DescriptionOutside
Box Length
Outside Box
Width
Outside Box
Height
Online Postage
PriceWeight
Limit Packaging SKU
Window Flat Rate Envelope
10" 5" Always $5.05
Up to 70 lbs.
Ships in packs of 10
Max order is 50 packs
10 pack EP 14-H
Small Flat Rate Envelope
10" 6" Always $5.05
Up to 70 lbs.
Ships in packs of 10
Max order is 40 packs
10 pack EP 14-B
Gift Card Flat Rate Envelope
10" 7" Always $5.05
Up to 70 lbs.
Ships in 2 or 5 pack
mailers
2 pack EP14GTV
5 pack
EP14GT2
Flat Rate Envelope 12 1/2" 9 1/2" Always
$5.05Up to 70 lbs.
Ships in packs of 10
Max order is 60 packs
10 pack EP 14-F
Padded Flat Rate Envelope
12 1/2" 9 1/2" Always $5.70
Up to 70 lbs.
Ships in packs of 5,
10 or 15
5 pack EP14PE-V
10 pack
EP14PE-X
15 pack EP14PE-XV
Legal Flat Rate Envelope
15" 9 1/2" Always $5.25
Up to 70 lbs.
Ships in packs of 10
Max order is 60 packs
10 pack EP14L
All prices listed are Commercial Base rates (effective January 2014), only available for online postage vendors such as Stamps.com.
Download this PDF guide at www.stamps.com/whitepapers
PRIORITY MAIL REGIONAL RATE BOXES
Box image DescriptionOutside
Box Length
Outside Box
Width
Outside Box
Height
Online Postage
PriceWeight
Limit Packaging SKU
Regional Rate Box A
Top Loading10 1/8" 7 1/8" 5" Starts at
$5.32Up to 15 lbs.
Ships in packs of 5,
10 or 25
5 pack RRB-A1
10 pack RRB-A1X
25 pack RRB-A1V
Regional Rate Box A
Side Loading 11 1/16" 2 1/2" 13 1/16" Starts at
$5.32Up to 15 lbs.
Ships in packs of 5,
10 or 25
5 pack RRB-A2
10 pack RRB-A2X
25 pack RRB-A2V
Regional Rate Box B
Top Loading 12 1/4" 10 1/2" 5 1/2" Starts at
$6.16Up to 20 lbs.
Ships in packs of 5,
10 or 25
5 pack RRB-B1
10 pack RRB-B1X
25 pack RRB-B1V
Regional Rate Box B
Side Loading 14 1/2" 3" 16 1/4" Starts at
$6.16Up to 20 lbs.
Ships in packs of 5,
10 or 25
5 pack RRB-B2
10 pack RRB-B2X
25 pack RRB-B2V
Regional Rate Box C 15" 12" 12" Starts at
$15.25Up to 25 lbs.
Ships in packs of 1
Max order is 1 pack
1 pack RRBC
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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