The following articles are prohibited from shipment;

Acids
Aerosols
Animal skins (non-domesticated)
Articles of exceptional value (e.g., works of art, antiques, precious stones, gold and silver)
Batteries containing liquid
Bleach
Cash
Compressed Gas
Explosives
Firearms or air rifles
Flammable products of any type
Furs
Ignitable Gas
Incapacitating Sprays
Ivory and ivory products
 Weapons
Live animals
Meat or animal products
Passports
Poisons