What protection do plastic bags bring us?

People's lives are inseparable from the plastic bags, the use of plastic bags protect our food safety, but also greatly facilitate the people's lives, then in our daily lives, Do you know what protection plastic bags bring us ?
 
First, the vacuum packaging bags commonly used in the food packaging industry can effectively prevent oxygen from spoiling and deteriorating food, effectively prolonging the shelf life of the food, and preventing bacteria from invading and multiplying, thus ensuring food safety and hygiene.

Second, the moisture-proof plastic bags, barrier properties, processing and other formability are more sudden, and the cost is relatively low.

Third, in the process of product storage and transportation, plastic bags can effectively prevent leakage, scattering, loss, shrinkage, discoloration and the fade of the product.

Fourth, compared with the traditional plastic packaging materials such as metal, ceramic and glass, the plastic packaging bag's portability is unmatched by other materials.