Stainless Steel
Advantages: Durable, drop-resistant, high-temperature resistant, easy to clean, and does not release harmful chemicals.
Disadvantages: Heavy, relatively expensive, and some stainless steel lunch boxes have limited heat retention.
Plastic
Advantages: Lightweight, economical, available in diverse colors and designs, and relatively inexpensive.
Disadvantages: Can wear out easily, may contain harmful substances like BPA (choose BPA-free options), and may not be as durable.
Glass
Advantages: Harmless to health, high-temperature resistant, suitable for microwaves and ovens, and good for both heating and refrigeration. Excellent freshness preservation.
Disadvantages: Fragile, heavy, and inconvenient to carry.
Silicone
Advantages: Flexible, resistant to high and low temperatures, foldable, easy to clean, and suitable for a variety of foods and environments.
Disadvantages: Poor thermal insulation performance, and low-quality silicone may have an odor (choose high-quality products).
Ceramic
Advantages: Strong high-temperature resistance, does not release harmful substances, and has an attractive appearance.
Disadvantages: Fragile, heavy, and not ideal for frequent carrying.
These are the common materials used for lunch boxes. When selecting a lunch box, refer to these points to choose the one that best suits your needs.