The following items are prohibited from being packed inside of U-Box containers for international shipment:
Food, agricultural, and biological items
Any food products (fresh, canned, loose, or packaged), spices, tea, coffee, condiments, plants, seeds, bulbs, firewood, hunting trophies, or any living organisms.
Medical, drug, and tobacco products
Medicine, pharmaceuticals, narcotics, alcohol, and tobacco products.
Weapons and vehicles
Firearms, ammunition, explosives, weapons of any kind, and motorized vehicles.
Hazardous materials
Corrosives; flammable or combustible items; oxidizers; poisons; pressurized or liquefied containers; aerosols; and household cleaners or chemicals. (Includes gasoline, paint, bleach, fertilizers, pesticides, propane tanks, fireworks, spray products, etc.)
Restricted or non-declared items
Any items for someone not listed on the customs form, and any additional prohibited items specified on your customs information sheet for your destination.