Check out #7. I would like to see the boys in US customs open one of these
Items Prohibited for Posting
1Goods prohibited from circulating or posting by law.
2Dangerous goods, such as explosive, flammable, corrosive, radioactive and poisonous substances.
3Illegal or coprological publications
4Currency
5Insanitary substances
6Goods liable to decay
7Live animals except bee, silkworm, leech.
8Goods that may threat human health, contaminate or ruin equipments or other mails, if packed improperly.
9Other goods unsuitable for post service