Compostable Cornstarch Based Biodegradable Plastic Shopping Bags Compostable Cornstarch Based Biodegradable Plastic Shopping Bags provided by our company have the following characteristics: 1. Our biodegradable plastic supermarket bags are waterproof and oil-proof, and will not leak. 2. Our biodegradable plastic supermarket bags are made of 100% biodegradable resin as raw materials, free of plastic,non-toxic and harmless. 3. All bioplastic bags can be fully degraded, and have passed the American ASTM-D6400 and EU EN13432 compostable certification Standard test. 4. The biodegradable plastic bags that have been used is buried in the soil, or buried in a microbial environment. After 3 months of composting, it can be completely degraded into carbon dioxide and water in 100%, becoming organic fertilizer and not producing white pollution. 5. The biodegradable plastic supermarket bags …