What You Will Have Trouble Mailing

Many of the types of items listed below are simply non-mailable, period. However, if an item is an ORM-D (Other Regulated Material- Domestic) this signifies that it poses a limited hazard because of its quantity and packaging. ORM-D materials are given the shipping name “Consumer Commodity” and may be mailed domestically but in extremely limited quantities and with special approval, labeling and packaging.

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Disclaimer: We aren’t the post office and can’t be considered an authority on these regulations. Always check with them as well if you’re not sure!

  • Explosives
    • Infernal machine (Bombs)
    • Fireworks
    • Dynamite
    • Grenades
    • Ammunition
    • Replica explosives (not dangerous)*
    • Toy propellant devices and safety fuses*
  • Toxic Liquids and Gasses
    • Flammable Gas*
    • Non Flammable Gas*
    • Toxic Gas
    • Ammonia
    • Chlorine
    • Cleaning Supplies* -
    • Pool Chemicals
  • Flamable and Combustable Liquids (some can be mailable dependant on flashpoint, if they qualify as ORM-D materials and are under a certain volume)
    • Acetone
    • Rubbing alcohol
    • Witch Hazel
    • Gasoline
    • Gasoline containers
    • Items that have contained gasoline
    • Diesel fuel
    • Kerosene
    • Aerosols
    • Propane
    • Spray paint
    • Many Paints & paint related materials
    • Many Waxes and Polishes
    • Many Adhesives and Cements
    • Cigarette lighters
  • Flamable Substances
    • Strike anywhere matches
    • Book matches*
    • Materials likely to cause fire do to friction or absorbing moisture or spontaneous chemical change.
    • Readily ignited materials that burn intensely
    • ORM-D materials*
  • Oxidizing Substances
    • Oxidizing substances*
    • Organic peroxide*
  • Dangerous when wet
    • Aluminum powder
    • Calcium -
    • Lithium
    • Sodium
  • Poisons
  • Irritants
    • Flea collars*
    • Pesticides*
    • Herbicides
  • Infectious Substances
    • Category A Infectious substances
    • Toxins- Category A
    • Forensic material- Category A
  • Corrosives
    • Acid and Alkali
    • Batteries with liquid electrolyte, hydrochloric acid
    • Mercury and mercury containing items (thermometers)
  • Intoxicating Liquors
    • Wine
    • Beer
    • Vodka
    • Bourbon
  • Liquids and Powders
    • Liquids and semisolids*
    • Powders*
  • Odor Producing
    • Food
    • Decaying matter
    • Some scented products
    • Non-toxic Inks and dyes
    • Some paper
  • Radioactive materials
    • Properly labeled Radioactive materials*
  • Drug Paraphernalia
    • Illegal drugs
    • Pipes
    • Bongs
    • Miniature spoons
    • Cocaine freebase kits
  • Certain Adult Birds
    • Canaries
    • Parakeets
    • Parrots
  • Unauthorized surveillance equipment- equipment with a primary function of surreptitiously intercepting wire, oral or electronic communications.
    • Listening devices
    • Wiretapping devices
    • Electronic eavesdropping equipment
  • Live Reptiles
    • Snakes
    • Turtles
  • Live warm-blooded animals
    • Hamsters
    • Mice
    • Cats -
    • Rabbits
    • Dogs
    • Guinea Pigs
    • Rats
  • Miscellaneous Hazards
    • Dry Ice*
    • Lithium cells and batteries*
    • Magnetized materials*
  • Other non-allowed materials
    • Abortive devices
    • Building construction materials
    • Fragrance samples*

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