1. Raw materials: With consumers' attention to health, people pay more and more attention to whether the materials used in the crisper are healthy. Hygienic and safe materials are harmless to human body, such as PC materials, PE materials and PP materials. The most common fresh-keeping box material now is PC material.

2. Transparency: the impact and release of the quick E3 enterprise management software of the crisper are welcome! Generally, transparent or translucent materials are used. In this way, people can easily confirm the contents of the box without opening the box when using it.

3. Appearance: the top fresh-keeping box has a smooth appearance, exquisite design and no burr.

4. Heat resistance: the crisper requires high heat resistance. It will not deform in high temperature water and can even be sterilized in boiling water.

5. Durability: It should have excellent impact resistance, not easy to break under strong pressure or impact, and will not leave scratches.

6. Sealing: This is the primary consideration when choosing a fresh-keeping box. Although different brands of products have different sealing methods, excellent sealing is a necessary condition for lasting preservation of food.

7. Anti-corrosion: an international standard for evaluating sealing performance through moisture permeability test. High-quality fresh-keeping boxes are 200 times lower in moisture permeability than similar products, and can be kept fresh for a long time.

8. Save space: The design is reasonable, and fresh-keeping boxes of various sizes can be placed and combined in order to keep them tidy and save space.

9. Microwave heating: Food can be heated directly in the microwave oven, which is more convenient.

10, multi-functional: according to the needs of life, design fresh-keeping boxes of different sizes and different performances to make life more convenient.