{"id":37631,"date":"2022-07-05T10:30:00","date_gmt":"2022-07-05T15:30:00","guid":{"rendered":"https:\/\/shippingeasy.com\/?p=37631"},"modified":"2023-01-20T11:16:53","modified_gmt":"2023-01-20T17:16:53","slug":"what-are-usps-flat-rate-boxes","status":"publish","type":"post","link":"https:\/\/shippingeasy.com\/blog\/what-are-usps-flat-rate-boxes\/","title":{"rendered":"Flat Rate Shipping: What Are USPS Flat Rate Boxes?"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:#00d084\" class=\"has-inline-color\">Note: As of October 19, 2022, ShippingEasy now offers the lowest USPS\u24c7 shipping rates in the industry, and the rates reflected in this blog are prior to this change. For more information on these new rates, check out our <a href=\"https:\/\/shippingeasy.com\/blog\/usps-rates-2022\/\" target=\"_blank\" rel=\"noreferrer noopener\">blog!<\/a><\/mark><\/strong><\/p>\n\n\n\n<p>\u201cWhat are USPS Flat Rate Boxes?\u201d is a <a href=\"https:\/\/shippingeasy.com\/blog\/faqs-about-usps\/\" target=\"_blank\" rel=\"noreferrer noopener\">question<\/a> that often pops up in the shipping world. And, to be honest, it\u2019s a big question. Not only are USPS Flat Rate Boxes are an offering from <a href=\"https:\/\/shippingeasy.com\/blog\/usps-priority-mail-a-full-breakdown\/\" target=\"_blank\" rel=\"noreferrer noopener\">USPS Priority Mail<\/a>, but there are different sizes and box options to choose from and discuss. To give you the full scoop on USPS Flat Rate Boxes, we\u2019ll give you a breakdown of the service itself, <a href=\"https:\/\/shippingeasy.com\/blog\/regional-rate-boxes\/\" target=\"_blank\" rel=\"noreferrer noopener\">Regional Rate Boxes<\/a>, and a few guidelines (as well as a Table of Contents to make everything easily accessible).<\/p>\n\n\n\n<p>Table of Contents<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#priority\">What is USPS Priority Mail\u00ae Flat Rate?<\/a><\/li>\n\n\n\n<li><a href=\"#boxes\">What are USPS Priority Mail\u00ae Flat Rate Boxes?<\/a><\/li>\n\n\n\n<li><a href=\"#envelopes\">USPS Priority Mail\u00ae Flat Rate Envelopes?<\/a><\/li>\n\n\n\n<li><a href=\"#small\">USPS Priority Mail\u00ae Flat Rate Small Box<\/a><\/li>\n\n\n\n<li><a href=\"#medium\">USPS Priority Mail\u00ae Flat Rate Medium Box<\/a><\/li>\n\n\n\n<li><a href=\"#large\">USPS Priority Mail\u00ae Flat Rate Large Box<\/a><\/li>\n\n\n\n<li><a href=\"#military\">USPS Priority Mail\u00ae APO\/FPO\/DPO Large Flat Rate Box <\/a><\/li>\n\n\n\n<li><a href=\"#regional\">What is USPS Regional Rate shipping?<\/a><\/li>\n\n\n\n<li><a href=\"#shipping\">When should you use Flat Rate shipping?<\/a><\/li>\n\n\n\n<li><a href=\"#tracking\">Do USPS Flat Rate shipments come with a tracking number?<\/a><\/li>\n\n\n\n<li><a href=\"#automate\">How can ShippingEasy help automate my packaging choices?\u00a0<\/a><\/li>\n<\/ol>\n\n\n\n<p><strong>Note: The rates in this blog post are the 2022 USPS rates. For the current 2023 USPS rates, visit our <a href=\"https:\/\/shippingeasy.com\/blog\/usps-2023-shipping-rate-changes-flat-rate-priority-first-class-w-tables\/\">USPS 2023 Shipping Rate Changes: Flat Rate, Priority, First Class, w\/Tables<\/a> blog!<\/strong><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"priority\">What is USPS Priority Mail\u00ae Flat Rate?<\/h2>\n\n\n<p><a href=\"https:\/\/www.usps.com\/ship\/mail-shipping-services.htm\" target=\"_blank\" rel=\"noreferrer noopener\">USPS Priority Mail Flat Rate<\/a> is one of the most commonly used services because you pay one shipping rate for your package, regardless of its destination and up to 70 pounds. Yes, you read that correctly. Whether you\u2019re shipping a 20-pound package across town or across the country, your rate is going to be the same.&nbsp;<\/p>\n\n\n\n<p>This service type is offered for both standard <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4406059823899-Priority-Mail-USPS-Commercial-Rate-Table\" target=\"_blank\" rel=\"noreferrer noopener\">Priority Mail<\/a> shipping and <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4405696823835-Priority-Mail-Express-USPS-Commercial-Rate-Table\" target=\"_blank\" rel=\"noreferrer noopener\">Priority Mail Express<\/a>. Both also include standard tracking, up to $50 in <a href=\"https:\/\/shippingeasy.com\/blog\/how-to-file-a-claim\/\" target=\"_blank\" rel=\"noreferrer noopener\">insurance<\/a>, and typically deliver in 1-3 days (including Saturday at no additional charge). You can even schedule <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407007483163-Schedule-USPS-Package-Pickup-How-To\" target=\"_blank\" rel=\"noreferrer noopener\">pickups<\/a>, so you don\u2019t have to drive to the local post office.&nbsp;<\/p>\n\n\n\n<p>There are three main Flat Rate Box sizes, including:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/store.usps.com\/store\/product\/shipping-supplies\/priority-mail-flat-rate-small-box-P_SMALL_FRB\" target=\"_blank\" rel=\"noreferrer noopener\">Flat Rate Small Box<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/store.usps.com\/store\/product\/shipping-supplies\/priority-mail-flat-rate-medium-box-1-P_O_FRB1\" target=\"_blank\" rel=\"noreferrer noopener\">Flat Rate Medium Box 1<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/store.usps.com\/store\/product\/shipping-supplies\/priority-mail-flat-rate-medium-box-2-P_O_FRB2\" target=\"_blank\" rel=\"noreferrer noopener\">Flat Rate Medium Box 2&nbsp;<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/store.usps.com\/store\/product\/shipping-supplies\/priority-mail-flat-rate-large-box-P_LARGE_FRB\" target=\"_blank\" rel=\"noreferrer noopener\">Flat Rate Large Box&nbsp;<\/a><\/li>\n<\/ul>\n\n\n\n<p>One of the biggest perks of the <a href=\"https:\/\/shippingeasy.com\/blog\/4-ways-youre-overspending-on-shipping\/\" target=\"_blank\" rel=\"noreferrer noopener\">USPS Flat Rate<\/a> packaging is you can <a href=\"https:\/\/store.usps.com\/store\/results\/shipping-supplies\/_\/N-7d0v8v#content\" target=\"_blank\" rel=\"noreferrer noopener\">order<\/a> these shipping supplies from USPS for free, and they\u2019ll deliver them straight to your home or office. Also, if you use ShippingEasy, you\u2019ll get <a href=\"https:\/\/shippingeasy.com\/blog\/commercial-shipping-simplified-with-shippingeasy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Commercial (aka discounted) USPS shipping rates<\/a>. Take a look at the discounts on standard Priority Mail Flat Rates below:&nbsp;<\/p>\n\n\n\n<table id=\"tablepress-61\" class=\"tablepress tablepress-id-61\">\n<thead>\n<tr class=\"row-1 odd\">\n\t<th class=\"column-1\">Priority Mail Flat Rate<\/th><th class=\"column-2\"><center><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2017\/08\/SE-logo-white-RGB-new.png\" alt=\"\" width=\"118\" height=\"52\" class=\"aligncenter size-full wp-image-17388\" \/><\/center><\/th><th class=\"column-3\">2022 Retail<\/th><th class=\"column-4\">Savings<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\">\n\t<td class=\"column-1\">Flat Rate Envelopes <\/td><td class=\"column-2\">$7.75<\/td><td class=\"column-3\">$8.95<\/td><td class=\"column-4\">$1.20<\/td>\n<\/tr>\n<tr class=\"row-3 odd\">\n\t<td class=\"column-1\">Legal Flat Rate Envelope<\/td><td class=\"column-2\">$8.05<\/td><td class=\"column-3\">$9.25<\/td><td class=\"column-4\">$1.20<\/td>\n<\/tr>\n<tr class=\"row-4 even\">\n\t<td class=\"column-1\">Padded Flat Rate Envelope<\/td><td class=\"column-2\">$8.45<\/td><td class=\"column-3\">$9.65<\/td><td class=\"column-4\">$1.20<\/td>\n<\/tr>\n<tr class=\"row-5 odd\">\n\t<td class=\"column-1\">Small Flat Rate Box<\/td><td class=\"column-2\">$8.25<\/td><td class=\"column-3\">$9.45<\/td><td class=\"column-4\">$1.20<\/td>\n<\/tr>\n<tr class=\"row-6 even\">\n\t<td class=\"column-1\">Medium Flat Rate Box<\/td><td class=\"column-2\">$14.25<\/td><td class=\"column-3\">$16.10<\/td><td class=\"column-4\">$1.85<\/td>\n<\/tr>\n<tr class=\"row-7 odd\">\n\t<td class=\"column-1\">Large Flat Rate Box<\/td><td class=\"column-2\">$19.20 <\/td><td class=\"column-3\">$21.50<\/td><td class=\"column-4\">$2.30<\/td>\n<\/tr>\n<tr class=\"row-8 even\">\n\t<td class=\"column-1\">APO\/FPO\/DPO Large Flat Rate Box<\/td><td class=\"column-2\">$17.70 <\/td><td class=\"column-3\">$20.00<\/td><td class=\"column-4\">$2.30<\/td>\n<\/tr>\n<tr class=\"row-9 odd\">\n\t<td class=\"column-1\">*must use boxes<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-61 from cache -->\n\n\n\n<h6> Did you know you can order some free USPS supplies from your ShippingEasy account? Found out how in our <a href=\"https:\/\/shippingeasy.com\/blog\/onyx-products-shipping-supplies\/\" target=\"_blank\" rel=\"noopener noreferrer\"> blog<\/a>!<\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"boxes\">What are USPS Priority Mail\u00ae Flat Rate Boxes?<\/h2>\n\n\n<p>The only real downside of USPS Flat Rate is you have to use USPS-branded boxes to use the service; you can\u2019t use USPS Flat Rate shipping in a plain brown box or your own branded packaging. Also, everything needs to fit comfortably inside your USPS Priority Mail boxes and not bulge or distort the box.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"370\" height=\"370\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/01\/Flat-Rate-Box.png\" alt=\"USPS flat rate boxes\" class=\"wp-image-35471\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/01\/Flat-Rate-Box.png 370w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/01\/Flat-Rate-Box-300x300.png 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/01\/Flat-Rate-Box-150x150.png 150w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/figure><\/div>\n\n\n<p>As the weight of your package or distance traveled increases, the benefit of using the various USPS Flat Rate boxes also increases. Let\u2019s dive into what USPS Flat Rate packaging is available to use and how each of them can benefit your business.<\/p>\n\n\n\n<p>As the weight of your package or the distance it\u2019s going increases, the benefit of using the various USPS Flat Rate boxes also increases. Let\u2019s dive into the available USPS Flat Rate packaging and how each of them can benefit your small business.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"envelopes\">USPS Priority Mail\u00ae Flat Rate Envelopes<\/h2>\n\n\n<p>There are three types of <a href=\"https:\/\/faq.usps.com\/s\/article\/What-Priority-Mail-Flat-Rate-Envelopes-Are-Available\" target=\"_blank\" rel=\"noreferrer noopener\">envelopes<\/a> available in USPS Flat Rate shipping, and each of their dimensions are:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Priority Mail Flat Rate Envelope: 12 \u00bd\u201d (L) x 9 \u00bd\u201d (W)<\/li>\n\n\n\n<li>Priority Mail Flat Rate Legal Envelope: 15\u201d (L) x 9 \u00bd\u201d (W)<\/li>\n\n\n\n<li>Priority Mail Flat Rate Padded Envelope 9 \u00bd\u201d (L) x 12 \u00bd\u201d (W)<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Padded-Envelope.jpg\" alt=\"\" class=\"wp-image-37609\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Padded-Envelope.jpg 600w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Padded-Envelope-300x300.jpg 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Padded-Envelope-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<p>All of the Priority Mail Flat Rate Envelopes are available with Priority Mail Flat Rate Express as well. These envelopes are perfect for documents, tickets, art, jewelry, and other non-bulky items. Aside from a few instances of shipping to closer <a href=\"https:\/\/shippingeasy.com\/blog\/what-are-usps-zones\/\" target=\"_blank\" rel=\"noreferrer noopener\">zones<\/a>, these envelopes will likely save you over weight-based Priority Mail shipping options.<\/p>\n\n\n\n<h6> Learn more about USPS zones in our blog &#8211; <a href=\"https:\/\/shippingeasy.com\/blog\/what-are-usps-zones\/\" target=\"_blank\" rel=\"noopener noreferrer\"> What Are USPS Zones and &amp; How Do They Affect My Shipping?<\/a><\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"small\">USPS Priority Mail\u00ae Flat Rate Small Box<\/h2>\n\n\n<p>For smaller items, particularly small dense\/heavy items that don\u2019t fit in envelopes, the USPS Priority Mail Flat Rate Small Box is a great option. The dimensions for USPS Flat Rate Small Boxes are:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 8 11\/16\u2033 x 5 7\/16\u2033 x 1 3\/4\u2033<\/li>\n\n\n\n<li>I<strong>nside<\/strong>: 8 5\/8\u2033 x 5 3\/8\u2033 x 1 5\/8\u2033<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Small-Box.jpg\" alt=\"USPS Priority Mail Flat Rate Box\" class=\"wp-image-37613\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Small-Box.jpg 600w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Small-Box-300x300.jpg 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Small-Box-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<p>USPS describes the box size as about the same as three stacked DVD cases (imagine your three favorite movies to really drive this example home). For example, our customer <a href=\"https:\/\/shippingeasy.com\/furls-crochet-case-study\/\" target=\"_blank\" rel=\"noreferrer noopener\">Furls Fiberarts<\/a> uses Flat Rate Small Boxes to ship their custom crochet and knitting needles. The boxes have self-adhesive flaps, and these folds have to be able to fully close. This box type is great for bulkier jewelry, small electronics, and more. This all comes back to the no bulging rule we mentioned earlier, and that&#8217;ll be the case for the rest of the boxes we discuss in this blog as well.&nbsp;&nbsp;<\/p>\n\n\n\n<h6> Join Furls Fiberarts and make Shipping Easy starting <a href=\"https:\/\/shippingeasy.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"> today<\/a>.<\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"medium\">USPS Priority Mail\u00ae Flat Rate Medium Box<\/h2>\n\n\n<p>Next up, we have the USPS Flat Rate Medium Boxes. The big difference between these boxes and the USPS Flat Rate Small Boxes is there are two different versions of the latter. The USPS Flat Rate Medium Boxes come in a side-loading version, which is a bit more narrow, and a top-loading version, which offers a bit more inside space.&nbsp;<\/p>\n\n\n\n<p><strong>USPS Flat Rate Medium Box-1 Specs (top-loading)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 11 1\/4\u2033 x 8 3\/4\u2033 x 6\u2033<\/li>\n\n\n\n<li><strong>Inside<\/strong>: 11\u2033 x 8 1\/2\u2033 x 5 1\/2\u2033<\/li>\n<\/ul>\n\n\n\n<p><strong>USPS Flat Rate Medium Box-2 Specs (side-loading)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 14\u2033 x 12\u2033 x 3 1\/2\u2033<\/li>\n\n\n\n<li><strong>Inside<\/strong>: 13 5\/8\u2033 x 11 7\/8\u2033 x 3 3\/8\u2033<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Medium-Box-Sizes-1-and-2.png\" alt=\"USPS Priority Mail Flat Rate Medium Boxes\" class=\"wp-image-37608\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Medium-Box-Sizes-1-and-2.png 800w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Medium-Box-Sizes-1-and-2-300x150.png 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Medium-Box-Sizes-1-and-2-768x384.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><strong>USPS Flat Rate Box Sizes \u2013 Medium<\/strong><\/figcaption><\/figure><\/div>\n\n\n<p>As you can see, each box can lend itself to different types of products, but they each cost the same amount to ship. For example, Box 1 could be used to ship shoes, and Box 2 is what we use when we ship dozens of printed versions of <a href=\"https:\/\/shippingeasy.com\/content_types\/ebooks\/\" target=\"_blank\" rel=\"noreferrer noopener\">ebooks<\/a> to our partners.&nbsp;<\/p>\n\n\n\n<p>As you start moving through the different Flat Rate Box sizes, we recommend to still <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4406993124123-USPS-Priority-Mail-Regional-Rates-vs-Flat-Rate-Packages\" target=\"_blank\" rel=\"noreferrer noopener\">compare<\/a> their costs to other weight-based shipping options. There are still some instances where weight-based shipping would be cheaper than flat-rate shipping depending on weight and destination. Don\u2019t be afraid to use your ShippingEasy <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4406965922459-Browse-Rates-Rate-Calculator\" target=\"_blank\" rel=\"noreferrer noopener\">rate calculator<\/a>!&nbsp;<\/p>\n\n\n\n<h6> For more information on Priority Mail, you can read <a href=\"https:\/\/shippingeasy.com\/blog\/usps-priority-mail-a-full-breakdown\/\" target=\"_blank\" rel=\"noopener noreferrer\"> USPS Priority Mail: A Full Breakdown<\/a>!<\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"large\">USPS Priority Mail Flat Rate Large Box<\/h2>\n\n\n<p>The USPS Flat Rate Large Box is really going to come in handy when you\u2019re shipping larger, heavier packages; it\u2019s going to be cheaper than weight-based options for packages weighing more than 25 pounds to most zones, even when it comes to those further zones. For scale, these boxes could be used to ship larger electronics like computers and laptops.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"usps-flat-rate-box-sizes-large\"><strong>USPS Flat Rate Box Sizes \u2013 Large<\/strong><\/h4>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 12 1\/4\u2033 x 12 1\/4\u2033 x 6\u2033<\/li>\n\n\n\n<li><strong>Inside<\/strong>: 12\u2033 x 12\u2033 x 5 1\/2\u2033<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-Large-Box.jpg\" alt=\"USPS Priority Mail Large Flat Rate Box\" class=\"wp-image-37612\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-Large-Box.jpg 600w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-Large-Box-300x300.jpg 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-Large-Box-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\"><strong>USPS Flat Rate Box Sizes \u2013 Large<\/strong><\/figcaption><\/figure><\/div>\n\n\n<p>A benefit of using a technology like ShippingEasy is that you can set rules for assigning shipping selections. If you have larger items that travel varying distances, you can set rules to select either USPS Flat Rate Large Box or USPS Priority Mail service to automate making the better decision based on weight and distance traveled!<\/p>\n\n\n\n<h6> ShippingEasy makes automation, well, easy. Find out how with your 30-day free trial <a href=\"https:\/\/shippingeasy.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"> today<\/a>!<\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"military\">USPS Priority Mail APO\/FPO\/DPO Large Flat Rate Box<\/h2>\n\n\n<p>This package type is specifically used for sending items to<a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407008336795-Military-Mail-Overview\" target=\"_blank\" rel=\"noreferrer noopener\"> troops and military personnel stationed overseas<\/a>. It has the same dimensions and 70-pound limit as the USPS Flat Rate Large Box but includes a message of support for military troops and offers a discounted postage rate for the shipping service. Shipping overseas can be expensive, so this flat-rate shipping option makes it much easier to send items to loved ones.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"usps-flat-rate-box-sizes-apofpodpo\"><strong>USPS Flat Rate Box Sizes \u2013 APO\/FPO\/DPO<\/strong><\/h4>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 12 1\/4\u2033 x 12 1\/4\u2033 x 6\u2033<\/li>\n\n\n\n<li><strong>Inside<\/strong>: 12\u2033 x 12\u2033 x 5 1\/2\u2033<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-APO-FPO-box.jpg\" alt=\"USPS Priority Mail APO\/FPO Large Flat Rate Box\" class=\"wp-image-37611\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-APO-FPO-box.jpg 600w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-APO-FPO-box-300x300.jpg 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Flat-Rate-Shipping-APO-FPO-box-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"regional\">What is USPS Regional Rate shipping?<\/h2>\n\n\n<p><a href=\"https:\/\/shippingeasy.com\/blog\/usps-priority-mail-regional-rate-boxes\/\" target=\"_blank\" rel=\"noreferrer noopener\">USPS Regional Rate<\/a> is a variation of USPS Priority Mail Flat Rate, and it provides you with a flat rate of up to 15 or 20 pounds, depending on which of the two box options you use. The difference between this shipping method and USPS Priority Mail Flat Rate is Regional Rate still takes distance traveled into account whereas USPS Flat Rate doesn\u2019t.&nbsp;<\/p>\n\n\n\n<p>If you compare Regional Rate to both standard Priority Mail weight-based methods and other Priority Mail Flat Rate services, there are pros and cons. However, the savings can be substantial when it does win out, so it\u2019s worth making the comparisons.<\/p>\n\n\n\n<p>For example, if you compare Regional Rate Box A versus Medium &amp; Large Flat Rate Boxes, Box A wins out for almost every Zone (up to 15 pounds).<\/p>\n\n\n\n<p>When comparing Regional Rate Box B versus Medium &amp; Large Flat Rate Boxes up to 20 pounds, Regional Rate Box B wins from Zones 1-5, but 6-7 Medium Flat Rate wins, and for Zones 8-9 Large Flat Rate wins.<\/p>\n\n\n\n<p>Much like USPS Priority Mail Medium Flat Rate Boxes, there are two different versions of the Regional Rate Shipping Boxes for both A and B sizes.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-A.png\" alt=\"USPS Priority Mail Regional Rate Box A\" class=\"wp-image-37614\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-A.png 800w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-A-300x150.png 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-A-768x384.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">USPS Priority Mail Regional Rate Box A1 and A2<\/figcaption><\/figure><\/div>\n\n\n<p><strong>USPS Priority Mail Regional Rate A1 dimensions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outside: 10-1\/8&#8243;(L) x 7-1\/8&#8243;(W) x 5&#8243;(H)<\/li>\n\n\n\n<li>Inside: 10&#8243;(L) x 7&#8243;(W) x 4-3\/4&#8243;(H)<\/li>\n\n\n\n<li>Opens from the top&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><strong>USPS Priority Mail Regional Rate A2 dimensions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outside Dimensions 13-1\/16&#8243;(L) x 11-1\/16&#8243;(W) x 2-1\/2&#8243;(H)<\/li>\n\n\n\n<li>Inside Dimensions&nbsp; 12-13\/16&#8243;(L) x 10-15\/16&#8243;(W) x 2-3\/8&#8243;(H)<\/li>\n\n\n\n<li>Opens from the top<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-B.png\" alt=\"USPS Priority Mail Regional Rate Box B\" class=\"wp-image-37615\" srcset=\"https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-B.png 800w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-B-300x150.png 300w, https:\/\/shippingeasy.com\/wp-content\/uploads\/2020\/07\/USPS-Priority-Mail-Regional-Rate-Box-B-768x384.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">USPS Priority Mail Regional Rate Box B1 and B2<\/figcaption><\/figure><\/div>\n\n\n<p><strong>USPS Priority Mail Regional Rate B1 dimensions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outside: 12-1\/4&#8243;(L) x 10-1\/2&#8243;(W) x 5-1\/2&#8243;(H)<\/li>\n\n\n\n<li>Inside: 12-1\/8&#8243;(L) x 10-3\/8&#8243;(W) x 5-1\/4&#8243;(H)<\/li>\n\n\n\n<li>Opens from the top&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><strong>USPS Priority Mail Regional Rate B2 dimensions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside<\/strong>: 15&#8243;(L) x 12&#8243;(W) x 3&#8243;(H)<\/li>\n\n\n\n<li><strong>Inside<\/strong>: 14 3\/4&#8243;(L) x 11 7\/8&#8243;(W) x 2 7\/8&#8243;(H)<\/li>\n\n\n\n<li>Opens from the top<\/li>\n<\/ul>\n\n\n\n<h6> Unbox the mystery of Regional Rate boxes in our <a href=\"https:\/\/shippingeasy.com\/blog\/regional-rate-boxes\/\" target=\"_blank\" rel=\"noopener noreferrer\"> blog<\/a>.<\/h6>\n\n\n<h2 class=\"wp-block-heading\" id=\"shipping\">When should you use Flat Rate shipping?<\/h2>\n\n\n<p>There are times when one method will be cheaper than another, so it\u2019s still worth comparing your Flat Rate options with other USPS services to get the best rate for your small business. As we mentioned earlier, don\u2019t be afraid to bust out the rate calculator in your ShippingEasy account. It\u2019s there to be used!&nbsp;<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"tracking\">Do USPS Flat Rate shipments come with a tracking number?<\/h2>\n\n\n<p>When you print a Flat Rate shipping label, it comes with the USPS tracking that USPS Priority Mail and Priority Mail Express packages traditionally include. The tracking number can also be automatically sent to your customer, so you can both keep track of your shipment in transit. Our free <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407017732251-Branded-Notifications-FAQs\" target=\"_blank\" rel=\"noreferrer noopener\">Branded Tracking<\/a> also lets you customize the experience (emails, <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407017727259-Set-Up-Branded-SMS-Notifications\" target=\"_blank\" rel=\"noreferrer noopener\">SMS updates<\/a>, and a branded landing page) for your customers, rather than sending them to a carrier\u2019s website to get package updates.&nbsp;<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"automate\">How can ShippingEasy help automate my packaging choices? <\/h2>\n\n\n<p>Do you wish you could assign specific packaging to your orders automatically? Well, you\u2019re in luck! Through <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407179118747-Save-a-Custom-Package\" target=\"_blank\" rel=\"noreferrer noopener\">custom package options<\/a> and <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407006625435-Shipping-Rules-FAQ\" target=\"_blank\" rel=\"noreferrer noopener\">Shipping Rules<\/a>, you can automate your shipping process so that your preferred services and packaging are automatically applied to your <a href=\"https:\/\/support.shippingeasy.com\/hc\/en-us\/articles\/4407008348827-ORDERS-Page-Simple-and-Advanced-View-Guide\" target=\"_blank\" rel=\"noreferrer noopener\">orders<\/a>. Pretty cool, huh?&nbsp;<\/p>\n\n\n\n<h6> Make Shipping Easy with your 30-day free trial <a href=\"https:\/\/shippingeasy.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"> today<\/a>.<\/h6>\n","protected":false},"excerpt":{"rendered":"<p>Note: As of October 19, 2022, ShippingEasy now offers the lowest USPS\u24c7 shipping rates in the industry, and the rates reflected in this blog are prior to this change. For [&hellip;]<\/p>\n","protected":false},"author":72,"featured_media":37641,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[463,7,17,23],"tags":[214,489,134,40],"class_list":["post-37631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fulfillment","category-shipping","category-shipping-rates","category-usps","tag-flat-rate-shipping","tag-priority-mail-flat-rate","tag-shipping","tag-usps-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.7 (Yoast SEO v23.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flat Rate Shipping: What Are USPS Flat Rate Boxes | ShippingEasy<\/title>\n<meta name=\"description\" content=\"USPS Flat Rate boxes are a great way to save on shipping in the right instances. 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