USPS Store
store.usps.com › store › results › shipping-supplies-boxes › _ › N-u9qwm0
Boxes | USPS.com
3 weeks ago - Filter products based on price ranges. ... Take advantage of free USPS® shipping supplies and just pay for postage when it’s time to send. ... The file or page you requested could not be found. The link you followed may be expired or broken. We apologize for any inconvenience this might cause. CONTENT Description.... The Popover plugin is similar to tooltips; it is a pop-up box that appears when the user clicks on an element.
USPS
usps.com › ship › priority-mail.htm
Priority Mail | USPS
Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.
What are USPS Flat Rate Boxes and how does the pricing work?
USPS Flat Rate Boxes charge a single fixed price regardless of weight (up to 70 lbs) or destination zone within the United States. The price depends solely on the packaging type you choose. A 2-pound package from New York to New Jersey costs the same as a 50-pound package from Miami to Alaska using the same box type. Commercial pricing (available through Shopify Shipping or platforms like Pirate Ship) saves 10-26% versus retail rates. You must use official USPS-produced Flat Rate packaging and cannot substitute your own boxes of equivalent dimensions.
cahoot.ai
cahoot.ai › home › usps flat rate boxes: sizes, pricing, and when they actually make sense
USPS Flat Rate Boxes: Sizes, Pricing, and When They Actually Make ...
When do Flat Rate boxes actually save money versus standard Priority Mail?
Flat Rate boxes save money when shipping heavy items to distant zones. Small Flat Rate ($11.20) beats standard Priority Mail for packages over 2 lbs to all zones. Medium Flat Rate ($19.60) wins for packages over 11 lbs to all zones, or 5-6 lbs to Zones 5-9. Large Flat Rate ($28.70) wins for packages over 18 lbs to all zones. The sweet spot is high-density products (tools, books, auto parts) weighing 5-20+ lbs traveling to Zones 5-9 where weight-based rates would cost $25-63.
cahoot.ai
cahoot.ai › home › usps flat rate boxes: sizes, pricing, and when they actually make sense
USPS Flat Rate Boxes: Sizes, Pricing, and When They Actually Make ...
What are the available Flat Rate box sizes and their prices?
As of 2026, USPS offers several Flat Rate options: Flat Rate Envelope ($10.30 commercial), Small Flat Rate Box at 8-11/16" × 5-7/16" × 1-3/4" ($11.20 commercial), Medium Flat Rate Box in two configurations at 11.25" × 8.75" × 6" or 14-1/8" × 12" × 3-1/2" ($19.60 commercial), and Large Flat Rate Box at 12.25" × 12" × 6" ($28.70 commercial). All support up to 70 lbs maximum weight. USPS provides these boxes free through usps.com or local Post Office locations.
cahoot.ai
cahoot.ai › home › usps flat rate boxes: sizes, pricing, and when they actually make sense
USPS Flat Rate Boxes: Sizes, Pricing, and When They Actually Make ...
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USPS
usps.com › ship › mail-shipping-services.htm
Mail & Shipping Services | USPS
Purchase Priority Mail postage and shipping labels at a Post Office or online. Prices start at $11.00 at a Post Office. (Ship online with Click-N-Ship and get lower Commercial Rates.
USPS Store
store.usps.com › store › results › shipping-supplies-boxes › boxes › _ › N-u9qwm0Zyz4qdp
Boxes | Boxes | USPS.com
Filter products based on price ranges. ... Take advantage of free USPS® shipping supplies and just pay for postage when it’s time to send. ... The file or page you requested could not be found. The link you followed may be expired or broken. We apologize for any inconvenience this might cause. CONTENT Description.... The Popover plugin is similar to tooltips; it is a pop-up box ...
USPS Store
store.usps.com › store › results › free-shipping-supplies › shipping-supplies › _ › N-alnx4jZ7d0v8v
Shipping Supplies | Free Shipping Supplies | USPS.com
Shop our selection of Free Shipping Supplies Shipping Supplies on the USPS.com Postal Store
USPS Store
store.usps.com › postal store › shipping supplies › priority mail flat rate® medium box
Priority Mail Flat Rate® Medium Box | USPS.com
USPS Tracking® included with most shipments. Up to $100 of insurance with most shipments (restrictions apply). Free Package Pickup service at your home or office. 1 Priority Mail envelope or box is included with your purchase. ... Shipping cost is based on weight, dimensions, and destination. Use the Retail Postage Price Calculator to determine your exact cost.
EasyPost
easypost.com › home › usps shipping rate charts
USPS Shipping Rate Charts - EasyPost
April 6, 2026 - This applies to Priority Mail and USPS Ground Advantage mail classes and for most shipments 20 pounds or less, flat rate products, and cubic pricing tiers. Prices in the table below include the EasyPost Merchant Discount that you can’t get at the Post Office.
GoShippo
goshippo.com › blog › usps-flat-rate-box-sizes-prices-how-it-works
USPS Flat Rate Box Sizes & Prices (2026) | Complete Guide
1 week ago - Current 2026 USPS flat rate box sizes, prices, and interior dimensions. Plus the break-even guide that tells you when flat rate actually saves money.
EasyPost
easypost.com › home › usps flat rate boxes, envelopes, & pricing
USPS Flat Rate Boxes, Envelopes, & Pricing - EasyPost
April 5, 2026 - One of the many benefits of shipping with USPS Flat Rate Boxes is that the boxes themselves are free. You can pick them up at any post office or USPS will actually ship the boxes to you for free. In order to have access to the USPS Priority Mail Flat Rate pricing, you must use one of USPS designated Flat Rate Boxes; you cannot use just any box of the same dimensions.
Cahoot
cahoot.ai › home › usps flat rate boxes: sizes, pricing, and when they actually make sense
USPS Flat Rate Boxes: Sizes, Pricing, and When They Actually Make Sense
April 13, 2026 - USPS Flat Rate Boxes charge a single fixed price regardless of weight (up to 70 lbs) or destination zone within the United States. The price depends solely on the packaging type you choose.
GoShippo
goshippo.com › blog › usps-priority-mail-vs-usps-flat-rate
USPS Priority Mail vs Flat Rate: Which Option Saves You More?
April 27, 2026 - Large flat rate box shipping cost beats standard priority mail flat rate box prices when: ... Priority mail envelope rate for standard envelopes starts around $8.15, while USPS priority envelope cost for flat rate versions is $9.85.
USPS
usps.com › business › prices.htm
Postage Rates & Prices | USPS
My USPS › · Skip to Main Content Skip All Utility Navigation · Current language: English · English · Español · Chinese Locations Support Informed Delivery Register / Sign In · Skip all category navigation links · Top Searches · PO BOXES · PASSPORTS · FREE BOXES · You can check out the starting prices for many of our domestic and international mailing and shipping options below or visit the Postal Explorer® website to review the full USPS® Price List.
Easyship
easyship.com › blog › usps-boxes-guide
USPS Boxes 101: Sizes, Prices & Restrictions | Easyship
January 9, 2024 - USPS boxes: most are free. Only a few restrictions apply. Read here for all the details about getting the cheapest USPS boxes for your next shipment.
Reddit
reddit.com › r/flipping › what are you paying for a usps small flat rate box? what shipping software?
r/Flipping on Reddit: What are you paying for a USPS small flat rate box? What shipping software?
October 24, 2025 -
Suddenly today it was 11.30 in Shipstation and I was wondering if this is a glitch or not.
Top answer 1 of 10
9
Shipping rates go up for the holiday season, usually every October-January. But also, in case you're not aware, the small flat rate box is just about the least economical way to mail something that size. Your own box, or even a box inside the Flat Rate Padded Mailer, would be less expensive.
2 of 10
4
You're getting the Q4 Christmas Bone-a-Roni... bend over, reach deep...and pay more money.
ShipScience
shipscience.com › discover-the-priority-mail-flat-rate-box-prices
Discover The Priority Mail Flat Rate Box Prices - ShipScience
May 25, 2023 - Discover the advantages of USPS Priority Mail Flat Rate Boxes in this comprehensive guide. Learn how fixed shipping rates across various box sizes save you time and money, with included services like tracking and insurance. Perfect for individuals and businesses, explore pricing, size options, ...
ShipStation
shipstation.com › home › usps flat rate boxes, envelopes, and prices
USPS Flat Rate Boxes, Envelopes, and Prices
March 26, 2026 - USPS Flat Rate packaging includes standardized boxes and envelopes that let you ship up to 70 lbs at one flat rate. Prices are fixed regardless of weight or destination within the U.S.—just make sure to use the proper Priority Mail Flat Rate label.
USPS
pe.usps.com › text › dmm300 › notice123.htm
Notice 123 | Postal Explorer
Parcels that contain any of the following characteristics, add $4.50: a. Cylindrical tubes or rolls b. A can, or wooden or metal box c. A parcel containing more than 24 ounces of liquid in glass containers, or 1 gallon or more of liquid in metal or plastic containers d. Other: parcels prepared ...
Pitney Bowes
pitneybowes.com › blog › usps flat rate shipping guide for ecommerce | pitney bowes
USPS Flat Rate Shipping Guide for Ecommerce | Pitney Bowes
July 25, 2025 - USPS flat rate shipping® is a service that allows businesses to ship packages at a fixed rate, regardless of the package's weight (up to 70 lbs) or destination—so long as it fits within an approved USPS flat rate box or envelope. This simplicity is what makes it a go-to for many ecommerce businesses. Instead of dealing with fluctuating shipping prices, zone charts, or weight-based rates, businesses can simply pick the right-sized box or envelope and pay one flat fee.
Western Oregon University
wou.edu › mail › home › domestic-mail › united-states-postal-service-usps › usps-priority-mail › usps-priority-flat-rate
USPS Priority Flat Rate – University Mail Services
Home » Home » Domestic Mail » United States Postal Service - USPS » USPS Priority Mail » USPS Priority Flat Rate Menu ... WESTERN OREGON UNIVERSITY 345 Monmouth Ave. N. Monmouth OR 97361 ... A-Z Index Accessibility Academic Calendar Class Schedule Net Price Calculator Jobs at WOU News ...
USPS
usps.com › international › priority-mail-international.htm
Priority Mail International - Rates & Features | USPS
Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at $32.65. Or ship by weight: For packages up to 70 lbs, prices vary by destination country ...