FedEx 10kg flat rate box dimensions and limitations

The FedEx 10kg Box is a free box that can be shipped with a flat rate.

  • Inside dimensions: 15.81” x 12.94” x 10.19” (40.16 cm x 32.86 cm x 25.88 cm)
  • Maximum weight: 22 lbs (10 kg). Flat rate does not apply to overweight packages.
  • Weight when empty: 31 oz
  • Double-walled box for extra durability
  • Available at all FedEx World Service Center locations.

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