Laws and treaties regarding international mail prohibit or restrict certain articles; in addition, the destination country may also restrict articles sent by international mail.

 
 
Category
Sub-Category
Examples
Explosives and hazardous materials Gunpowder Fireworks, firecrackers, ammunitions
Flammable liquids Lighter fuel, paint
Compressed gasses Fire extinguishers, aqualungs, dust removers (spray type), portable condensed oxygen, helium gas, gas stove burners for camping, gas for portable stoves, gas for lighters
Flammable materials Matches, lighters
Oxidizers Bleach, peroxidative agents, oxygen generators for personal use
Poisonous substances Chloroform, insecticide transpirators (heat type)
Corrosive substances Mercury, batteries
Radioactive substances Engines for radio-controlled helicopters, etc., magnets
Narcotics Narcotics and psychotropic substances
Live animals Live animals
Pornographic materials Pornographic or immoral materials
 
  • Valuables
    1. Coins, bank notes, paper money
    2. Bearer securities, traveler's checks