Degradable plastic bag refers to a class of plastic products with specific environmentally friendly properties that is capable of breaking down into environmentally sound substances such as carbon dioxide, water and biomass under natural environmental conditions (e.g., soil, water or composting facilities under specific conditions) through biotic or abiotic processes. This property of biodegradable plastic bags significantly reduces their long-term pollution burden on the environment compared to traditional plastic bags, especially the accumulation of plastic waste. 

Degradable plastic bags have features: Environmental adaptability, Diversity of raw materials, Performance similar to traditional plastics, Degradation conditions, Marking and certification.

Degradable plastic bag