A haz mat shipment is a shipment which contains products which they themselves contain hazardous materials. Some examples are as follows:  

• Explosives
• Flammable gas
• Non-flammable compressed gas
  
• Poisonous gas
  
• Flammable liquid
  
• Combustible liquid
• Flammable solid
• Spontaneously combustible material
• Dangerous when wet material
• Oxidizer
• Organic peroxide
• Poisonous materials
• Infectious substance
• Radioactive material
• Corrosive material