Postal Service Announces New Competitive Prices and Two New Mail Products for 2022.Īs long as your Priority Mail Flat Rate box or envelope isn't sealed with the self-adhesive strip it comes with, you can technically alter the packaging to qualify for weight-based Priority Mail rates but this almost never works out, and USPS will likely charge you for that specific flat rate service after they Regular Flat-Rate Envelopes, Legal Flat-Rate Envelopes, and Padded Flat-Rate Envelopes would increase to $8.95, $9.25, and $9.65 respectively.U.S. The large Priority Mail flat rate box's width has been trimmed to 12 inches from 12¼ inches.30-Sept-2021 Just be sure to remove any old postal barcodes or labels.2 Did USPS change the size of Flat Rate boxes? If you're shipping Priority Mail Commercial from home, you can use any box you want.

What is the cheapest method to ship a package?Ĭan I use my own box for Priority shipping? Yes, so long as you're not shipping via Flat Rate. UPS typically is a better choice when shipping larger, heavier packages by offering superior value. Generally, USPS offers much better rates when shipping smaller packages of less than two pounds. UPS is often more expensive than USPS due to fees and surcharges, especially when it comes to shipping smaller packages. Priority Mail cubic pricing is a more efficient USPS service for shipping small packages that weigh up to 20 pounds. One such option is taking advantage of cubic pricing. Is it cheaper to use a Flat Rate box or your own box USPS?Īs we mentioned above, combining your own custom packaging with the right USPS service is often more cost-effective than using flat-rate boxes.

Size of flat rate boxes usps