Classification and characteristics of lunch box materials

May 10, 2025

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At present, lunch boxes on the market are mainly made of the following materials: plastic, stainless steel, glass, ceramics, bamboo and wood. Each material has its own unique advantages and disadvantages.

1. Plastic lunch box

• Advantages: light weight, cheap price, various colors and styles, not easy to break.

• Disadvantages: poor heat resistance, easy to precipitate harmful substances at high temperatures, and some low-quality plastics may pose health risks.

• Suggestion: Choose a lunch box made of food-grade PP (polypropylene), which has good high temperature resistance and is safer.

2. Stainless steel lunch box

• Advantages: durable, not easy to break, high temperature resistant, easy to clean, and does not contain harmful substances.

• Disadvantages: heavy weight, strong thermal conductivity, not suitable for microwave heating.

• Suggestion: Choose a lunch box made of 304 stainless steel to ensure its corrosion resistance and antioxidant properties.

3. Glass lunch box

• Advantages: safe and non-toxic, high temperature resistant, easy to clean, and not easy to leave odor.

• Disadvantages: fragile, heavy, relatively expensive.

• Suggestion: Choose lunch boxes made of tempered glass or high borosilicate glass, which have better heat resistance and impact resistance.

4. Ceramic lunch box

• Advantages: natural material, safe and healthy, good heat preservation, beautiful and generous.

• Disadvantages: fragile, heavy, and expensive.

• Suggestion: Choose a ceramic lunch box that has passed the national quality certification to ensure that it does not contain harmful substances.

5. Bamboo lunch box

• Advantages: environmentally friendly, natural, light, and beautiful appearance.

• Disadvantages: poor heat resistance, difficult to clean, and easy to breed bacteria.

• Suggestion: suitable for storing dry food, not recommended for long-term storage of hot and humid food.