Flat Rate Blue: save $1 to $3 per package over Priority Mail

Shipping with cubic rates can be complicated. But with ShippingEasy’s Flat Rate Blue, we make it easy. If you’re shipping packages over 2 lbs and less than 20 lbs, we can save you $1 to $3 over Commercial Base and Commercial Plus pricing! Use our handy calculator to see how much you’ll save.

Even better, the ShippingEasy app automatically calculates the lowest possible rates for you when you add package dimensions, so you save money with zero extra effort.

<<---Give the calculator a try and see your Flat Rate Blue rates!

Flat Rate Blue Savings, Exclusively for You!

Save time and money so you can focus on growing your business.


  • Flat Rate Blue provides savings of $1 to $3 over Priority Mail, a discount typically reserved for only the highest-volume shippers
  • These discounts often beat out Commercial Base and Commercial Plus Pricing
  • Flat Rate Blue can potentially beat any Priority Mail rate over $7
  • See below for an example of savings seen on a package going to Zone 5


  • Zero guesswork—no more comparing rates between carrier websites
  • Cubic shipping is complicated, but our app simplifies the process for you automatically
  • Set up your package dimensions and we’ll always pick the best shipping rate: weight-based or volume-based (Flat Rate Blue) rates.


  • A Cubic Rates Specialist will walk you through exactly how cubic works, and help you save every penny
  • We personally educate you on how to set up repeatable automation, taking the guesswork out of finding the best rates
  • Our dedicated service team is always just an email, chat, or phone call away to answer any future rate questions you have