Packing bag

A stand-up bag is a flexible packaging container with a standing function. It is made of a multi-layer composite film (such as a combination of PET, PE, aluminum foil, etc.) through a bag-making process. The bottom is designed with an expandable support structure, which can be placed upright without an additional container, making it convenient for storage and use. It has both flexibility and sealing properties, can effectively block oxygen, moisture and light, and extend the shelf life of the contents. It is widely used in the packaging of a variety of products such as food (such as nuts, snacks, sauces, and jellies), beverages (juice, yogurt, functional drinks), daily chemicals (laundry detergents, detergents), and health products. In addition, the stand-up bag can be designed with zipper seals, suction nozzles, easy-tear mouths, and other structures according to needs to improve the convenience of use; it has strong printing adaptability, can achieve high-definition patterns and brand information display, and takes into account practicality and marketing value. It is a lightweight, environmentally friendly, and personalized preferred solution in modern packaging.