size of usps priority mail large flat rate box

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. Cubic pricing is a special USPS service that offers lower shipping rates when sending small, heavy items that are under 20lbs with USPS Priority Mail. If you're shipping Priority Mail Commercial from home, you can use any box you want.2 What's the cheapest way to mail something?įirst Class Mail envelopes, flat rate envelopes, and USPS Priority Mail offer the lowest rates for small packages. Yes, so long as you're not shipping via Flat Rate. On the other hand, USPS Flat Rate uses only the package size to calculate the shipping cost.2 What is the cheapest method to ship a package?Ĭan you use a brown box for priority mail? USPS Priority mail uses the dimensional weight and shipping distance to calculate the shipping cost. The main difference between USPS Priority Mail and USPS Flat Rate is the way the shipping cost is calculated. What is the difference between Flat Rate and priority mail? Priority Mail pieces that exceed one cubic foot, are subject to 'dimensional weight pricing'. For Priority Mail, the price is a combination of weight, size, and how far the mailpiece is traveling.

For First-Class Mail, shape and weight will determine the price.

Size of usps priority mail large flat rate box