Gas bottles for industrial and camping use (empty or full).

Stolen goods, drugs, explosives, aerosols and petroleum-based paints.

Goods that require special licenses or government permission are not allowed.

Goods that are illegal to import or export are not permitted.

Plants or organic matter containing biodegradable components that can attract vermin.

Collectible goods such as jewelery, watches, trinkets, precious metals, currency, deeds, securities, stamps and coins.

Food and other perishables that need to be kept in a controlled environment are not permitted.

Animals or animal by-products of any kind are not allowed.

Flammable goods such as petrol, oils or any such substance with a low flashpoint.