bpost enforces strict safety and legal regulations that prohibit sending dangerous goods, illegal items, and restricted merchandise through its domestic and international mail networks. Prohibited contents include explosives, flammable liquids, compressed spray cans, lighters, unapproved lithium batteries, perfume, hair dye, narcotics, illegal drugs, weapons, imitation firearms, counterfeit products, live animals, and high-value valuables like loose banknotes, gold, or precious jewelry exceeding specified legal monetary limits.