Plastic packaging bags are one of the more common containers in our lives. As consumers, what should we pay attention to when purchasing packaging bags? Next let's follow the editor to briefly understand what are the precautions for purchase? 1. Plastic packaging bags cannot be mixed, and corresponding plastic bags should be selected for packaging different items. For example, food packaging bags are produced specifically for packaging food, and their raw materials and processes have higher environmental safety requirements; while plastic bags for chemicals, clothing, and cosmetics will have different manufacturing processes due to different needs, and these plastic packaging bags cannot Used for packaging food, otherwise it will cause damage to human health.