The International Air Transport Association (IATA) defines dangerous goods as articles or substances that are capable of posing a risk to health, safety, property, or the environment when they are transported. As a general rule, passengers are not permitted to transport dangerous goods on board an aircraft in their carry-on baggage or checked baggage.
Your check-in baggage must not contain hazardous materials, including explosives, compressed gasses, flammable liquids and solids, oxidizers, poisons, corrosive and radioactive materials.
All checked baggage must bear your name, address and telephone number or Email on the outside of the bag. You are strongly encouraged to put your name and address inside your bag as well.