The pouch is constructed of polyvinylidene chloride-coated PET/low-density polyethylene, chosen for its ability to retain product freshness and its labeling flexibility.

• 邮袋建造的聚偏二氯乙烯涂层聚酯/低密度聚乙烯，选择能力，保持产品的新鲜度和标签的灵活性。