What Items Cannot Be Shipped Internationally?

What Items Cannot Be Shipped Internationally? Intoxicating liquors. Firearms. Knives and sharp instruments. Liquids, powders, and odor-producing materials. Motor vehicle master keys and locksmithing devices. Controlled substances and drugs. Unsolicited promotional samples. Building construction material. What items are not allowed to be shipped? Intoxicating liquors. Firearms. Knives and sharp instruments. Liquids, powders, and odor-producing materials.