The document discusses the International Maritime Dangerous Goods Code (IMDG Code) which provides a uniform international code for the transport of dangerous goods by sea. It outlines the classification of hazardous materials into 9 classes based on their properties, requirements for proper packaging, container types, shipping documents, and procedures for safe stowage and handling of dangerous cargo. The IMDG Code also provides guidelines for emergency response and prevention of accidents during maritime transport of dangerous goods.