1. Material: Real biodegradable plastic bags are usually made of biodegradable resins such as polylactic acid (PLA), polybutylene adipate terephthalate (PBAT) or polyhydroxyalkanoate (PHA).
2. Label: Degradable plastic bags should have clear degradation environment conditions, such as "soil degradable", "compostable", etc., and be marked with product standard numbers, such as GB/T 38082-2019 "Biodegradable Plastic Shopping Bags".
3. Appearance and texture: Compared with traditional plastic bags, degradable plastic bags feel softer and make less noise, while traditional plastic bags are louder and more brittle.
