Chocolate packaging bag

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Custom energy bar chocolate biscuits flat packaging bag


The inner layer of small packaging bags for energy bars and chocolate bars is coated with aluminum to provide a barrier against moisture, oxygen, and light. This helps to extend the shelf life of the product by preventing oxidation and spoilage. The aluminum coating also acts as a protective barrier against external contaminants, ensuring the freshness and quality of the bars. Additionally, the reflective properties of aluminum help to maintain the temperature of the bars, keeping them fresh for longer periods. Overall, the aluminum coating on the inner layer of the packaging bags plays a crucial role in preserving the quality and flavor of the energy and chocolate bars.