Yin-Yang bags are widely used in the field of food. Yin-Yang packaging bags are a kind of packaging bags with one side transparent and the other side opaque. We call this kind of packaging bag Yin-Yang packaging bag. Yin-Yang packaging bag is a very interesting name, which comes from its material. Yin-Yang packaging bag is also called visible bag, which is characterized by one side of transparent film and the other side of opaque film such as aluminum plating or aluminum foil. It has the following advantages:
(1) Easy-tear design. It makes it more convenient for consumers to use and saves time in finding tools to open the bag.
(2) Stand-up bottom. The stand-up bottom design makes the bag more three-dimensional and more stylish when placed.
(3) Self-sealing zipper. The reusable self-sealing zipper allows the bag to be reused, has good sealing performance, is airtight and leak-proof, and has strong freshness preservation ability.
(4) Tightly seal the edges. The imported edge equipment ensures the tightness of the bag, so that the bag will not leak after filling, and has strong storage safety performance.