1.Prevent food from spoiling by blocking air, moisture, light, and microorganisms, extending the shelf life of food.

2.Has a self-adhesive function, which allows it to stick tightly to the opening of containers, without needing glue or other adhesives.

3.Reduce food waste, facilitate food labeling, distribution, and heating.

4.Enhance the appearance and appeal of food, making it easier for consumers to see the quality and freshness of food.

5.Low-cost, easy to use, and suitable for various shapes and sizes of food and containers.