- Liquids and Gels: This includes beverages, oils, perfumes, and cosmetics in liquid or gel form.
- Perishable Foods: Fresh fruits, vegetables, meat, and dairy products that can spoil during transit.
- Flammable Items: Aerosols, fireworks, matches, lighters, and any goods that are easily combustible.
- Hazardous Materials: Chemicals, batteries, paints, and items containing harmful substances.
- Drugs and Narcotics: Illegal drugs, as well as certain prescription medications without appropriate documentation.
- Weapons and Explosives: Guns, ammunition, bombs, and all types of weapons or explosive devices.
- Corrosives: Acids, mercury, and any substances that can corrode materials.
- Pressurized Cans: Spray paints, air fresheners, and other items in pressurized containers.
- Live Animals: Most shipping services do not allow the shipment of live animals.
- Valuable Items: High-value items like jewelry, antiques, and art may be restricted due to the risk of loss or damage.