Usps priority mail flat rate boxes sizes

The United States Postal Service (USPS) offers several Priority Mail Flat Rate box sizes, each with its own weight limit and pricing. Here are the current sizes and weight limits for USPS Priority Mail Flat Rate boxes:

  1. Small Flat Rate Box: 5.5" x 8.5" x 1.5" (13.97 cm x 21.59 cm x 3.81 cm)
    • Weight limit: 70 lbs (31.75 kg)
    • Price: $7.95 (domestic), $24.95 (international)
  2. Medium Flat Rate Box: 11" x 13.5" x 2.5" (27.94 cm x 34.29 cm x 6.35 cm)
    • Weight limit: 20 lbs (9.07 kg)
    • Price: $14.35 (domestic), $34.35 (international)
  3. Large Flat Rate Box: 12" x 12" x 5.5" (30.48 cm x 30.48 cm x 13.97 cm)
    • Weight limit: 20 lbs (9.07 kg)
    • Price: $19.95 (domestic), $44.95 (international)
  4. Extra Large Flat Rate Box: 12" x 12" x 18" (30.48 cm x 30.48 cm x 45.72 cm)
    • Weight limit: 20 lbs (9.07 kg)
    • Price: $29.95 (domestic), $54.95 (international)

Note that these prices and weight limits are subject to change, so it's always a good idea to check the USPS website for the most up-to-date information.

Also, keep in mind that the flat rate boxes are designed to be used for packages that weigh up to the specified limit. If your package weighs more than the limit, you'll need to use a different shipping service or upgrade to a larger box.