Some Priority Mail flat-rate retail product prices will be reduced compared with the temporary rate adjustment currently in place, and Priority Mail commercial rates will increase by 3.6 percent, below the rate of inflation. Priority Mail padded flat-rate envelope: $10.60 (current), $10.40 (planned).Priority Mail legal flat-rate envelope: $10.20 (current), $9.95 (planned).Priority Mail regular flat-rate envelope: $9.90 (current), $9.65 (planned).Army/Air Post Office and Fleet Post Office large flat-rate box: $20.95 (current), $21.20 (planned).Priority Mail large flat-rate box: $22.45 (current), $22.80 (planned).Priority Mail medium flat-rate box: $17.05 (current), $17.10 (planned).Priority Mail small flat-rate box: $10.40 (current), $10.20 (planned).Here’s a list of current and planned retail prices: If reviewed favorably by the Postal Regulatory Commission (PRC), the changes will take effect Jan.

The Postal Service has announced Shipping Services prices for next year. USPS has announced Shipping Services price changes to take effect in January.

How much is a flat rate envelope