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Do Bento Boxes Keep Food Hot? Stainless Steel vs. Plastic Bento Boxes

플라스틱 도시락 도매, 칼 붙이가있는 대량 도시락 상자 -5

Bento Boxes have recently gained popularity in every part of the world as one of the convenient tableware items. Be it for students, office workers, or travelers, the bento boxes turn out to be ideal while carrying food in everyday life. Whatever people demand in bento boxes, it is not just about portability but also how to keep the food hot.

So, does bento box really keep food warm? Which provides better heat preservation performance: a stainless steel or plastic bento box? Let’s find out together.

Stainless Steel Bento Box: Excellent in Heat Preservation

The main characteristics of the stainless steel bento lunch box are that it is durable and has a very good heat preservation effect. Due to the nature of the properties, stainless steel itself is a kind of metal that has good thermal conductivity; after conducting high-temperature treatment, it is able to keep food hot for a longer period of time. Following are major advantages of using a stainless steel bento box:

  • Better preservation of temperature: Most of the designs for stainless steel bento lunch boxes have a double-layered structure with a middle insulation layer, which can keep the food warm for a long time. With this kind of design, it is quite suitable for hot foods, like rice, stir-fries, or soup.
  • 내구성: Stainless steel is resistant to drops and corrosion; with reasonable care, therefore, it should last daily use and uses which require frequent carrying of food, such as picnics and work lunches, etc.
  • 손쉬운 청소: Most of the stainless steel bento containers can be washed up easily by hand or in a dishwasher.
  • On the other hand, the disadvantage of the stainless steel Bento Boxes is that they are usually a bit heavier compared to plastic boxes, and that could be the reason why they will not be suitable for those people that emphasize more on the portability of the lunch box.
Insulated Stainless Steel Bento Box Bulk With Soup Bowl-4
Insulated Stainless Steel Bento Box Bulk With Soup Bowl-1

Plastic Bento Boxes: Light and Versatile

Plastic bento boxes have relative advantages in weight and portability compared to stainless steel bento boxes. Compared to the bento lunch box made of stainless steel, they are generally lighter and have more varieties in design, rich colors, and patterns that appeal most to children and youth.

  • 가볍고 휴대성이 뛰어납니다: Made of plastic material, the lunch box is lightweight and ideal for small bentos or lunches that have to carry several foods.
  • Multicompartment design: Most of the plastic bento containers have compartmentalization, hence making it easy to separate different types of food without mixing and to keep fresh.
  • Safe heating: Some plastic bento boxes can be put directly in the microwave for heating, hence saving extra containers to heat.
플라스틱 도시락 도매, 칼 붙이가있는 대량 도시락 상자 -3
플라스틱 도시락 도매, 칼 붙이가있는 대량 도시락 상자 -6

However, plastic lunch boxes still can’t compete with stainless steel in performance in terms of heat retention capability. While they can keep the food warm for a very brief period of time, the temperature will dissipate sooner because of the lack of the double-layer insulation design. So, in case you want the food to stay hot for a long period of time, you may want to add some extra insulation sleeve or container to retain the temperature.

How to Choose the Right Bento Box?

Whether you go for a stainless steel lunch box or plastic depends upon the usage scenario and thus your requirements. If you want your food to stay longer and you do not mind carrying a little weightier lunch box, then go for a stainless steel lunch box. If you pay more attention to lightness and being easy to carry, or need a lunch box that can be heated directly in the microwave, then the plastic lunch box will be more suitable.

Insulated Wholesale Lunch Box Set, Bulk Bento Boxes With Bag-6
BPA-Free Lunch Box Wholesale, Plastic Bento Boxes Bulk With Flatware-lunch box supplier

LEBO: Your Professional Bento Box Manufacturer

Whether you are looking for purchasing wholesale stainless steel lunch boxes or wholesale plastic lunch boxes, then LEBO will be up to the task. As a professional manufacturer of Bento Boxes for more than 30 years, we put great importance on the manufacturing and wholesaling of different kinds of 도시락 도매.

Our 도매 도시락 design unites modern aesthetic taste with practical functions, introducing richness in styles, materials, and capacities into different usage scenarios.LEBO provides not only bulk bento boxes but also custom bento box services to help you create exclusive products which precisely meet your brand needs.

Customized Lunch Boxes With Soup Bowls, Adults Bento Lunch Box Wholesale-4
Wholesale Lunch Boxes, Insulation Bento Box Bulk with Stainless Steel Inners-1

Welcome to explore our wholesale bento box range to find your best fit. Whether keeping food warm or providing convenient meal solutions, LEBO is always your trusted partner.

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+86-13060555890
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