PROHIBITED ITEMS

1. Narcotics (drugs) as defined by the International Narcotics Control Board and other illicit drugs as defined by the country of destination
2. Psychotropic substances under international control 
3. Obscene or immoral communication and articles, including pornographic material 
4. Human remains 
5. Firearms and ammunition 
6. Counterfeit and pirated goods,
7. Coins
8. Bank notes
9. Precious stones, gold, silver, platinum (whether manufactured or not)
10. Explosives
11. Gases
12. Flammable liquids
13. Flammable solids;substances liable to spontaneous combustion 
14. Oxidizing substances and organic peroxides 
15. Toxic and infectious substances
16. Corrosives
17. Radioactive material
18. Live animals
19. Items sent in furtherance of a fraudulent act or with the intention of avoiding full payment of appropriate charges
20. Articles which by nature or their packaging may expose officials or the general public to danger, soil or damage other items 
21. Insertion of correspondence in parcels 
22. Printed matter and items for the blind shall not bear any inscription or contain any item of correspondence
23. Other articles the importation or circulation of which is prohibited in the country of destination
24. Dangerous goods

Articles or substances capable of posing risk to health, safety, property or the environment are classified as dangerous goods.  Many everyday items such as lithium batteries, cleaning fluids and perfumes are classified as dangerous goods and are forbidden in the mail, except those specifically referred to in the regulations to be admitted under specialized conditions  certified by relevant authorities.