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434 Replica or Inert Explosive Devices

Replica or inert explosive devices that are not dangerous, but that bear a realistic appearance to explosive devices such as simulated grenades, are permitted in the mail when all of the following conditions are met:

  1. The package is presented by the mailer at a retail counter.
  2. Registered Mail service is used. (Registered Mail service is only available for items mailed as First-Class Mail or Priority Mail.)
  3. The address side of the package is labeled with “REPLICA EXPLOSIVE” using at least 20-point type or letters at least 1/4-inch high.