1. According to the use of paper bags, the material of the packaging bag should have resistance to moisture, water vapor, gas, light and heat, and also need to have certain impact strength, vibration strength and packaging humidity, etc. Packaged items have a certain ability to protect. This will meet people's requirements for packaging bags.
2. When selecting materials, the packaging materials are less toxic, especially food packaging bags, which are absolutely unable to release poisons. Otherwise, it will affect the promotion and application of paper bags, and have certain anti-microbial properties, but The material used in the bag making machine is made of paper to meet this condition.
3. The packaged materials can be produced on a large scale, which can meet people's daily needs, reduce the price of materials, facilitate mechanization, automation, and can be applied to printing, and can also print logo trademarks on the packaging bags.
4. The resources are relatively abundant, and the materials are convenient and the cost is relatively low. The used bags can be recycled and reused without causing environmental pollution. This is one of the fundamental reasons for eliminating plastic bags.

In general, the production materials of paper bags need to meet the requirements of people's daily life, and have high safety and environmental protection.