In the modern packaging industry, film bags are widely used in food, pharmaceutical, electronics, and chemical industries due to their advantages such as light weight, low cost, and strong adaptability.

In the long run, the difference between kraft paper window bags and ordinary kraft paper bags will gradually become blurred with technological advancements.

While the metallic luster of aluminum foil can enhance the visual appeal of packaging, untreated surfaces are prone to uneven reflection, leading to color deviations in printing.

In chemical production and logistics, material packaging isn't simply a matter of "loading in and shipping out"; it's crucial for safety, environmental protection, and efficiency.

These cracks become channels for oxygen and water vapor to penetrate, accelerating the deterioration of the contents.

Take baked goods as an example. They contain a certain amount of moisture and will continue to release water vapor during storage.