How to Choose Your Bento Box

Bento boxes that meet various types of needs have been increasing in recent years and many varieties are available on the internet nowadays. 

How to choose A Bento Box

Bento Box

When you choose a bento lunch box from them, first and foremost, it is important to decide the size, function, and material suitable for the person using the bento box.


One guide to the size of the bento box you pick up is the daily necessary energy amount of the person who uses it, which differs from individual to individual depending on the physical constitution and activity amount of the user. As a reference, here is a guide for Japanese people whose body sizes are average.

User Age Suitable Bento Box Size
3 to 5 400ml
6 to 8 500ml
9 to 11 600ml
12 to 17 Male: 900ml, Female: 700ml
18 to 50 Male: 900ml, Female: 600ml
51 to 60 Male: 800ml, Female: 600ml


Microwave Bento Lunch

If the user of a bento box commutes on foot or by bus, the bento box the person carries will move unsteadily. For that reason, for them, a lidded bento box furnished with packing is recommended.

As another example, if you want to microwave your bento box to warm the foods inside in your office, it is better to have a bento box corresponding to the use of the microwave oven.

In brief, before you make a decision about the function of the bento box, you should think about where you use your bento box and what kinds of situations you have while carrying it.


Typical materials for bento boxes are wood, plastic, aluminum, and stainless, each of which has different characteristics, and you need to choose the material of your bento box according to the usage and the situation you have.


EUBEST Natural 800-1000ml Japanese Wooden Bento Box Magewappa Traditional Wooden Hello Kitty Bento Box

When it comes to the wooden bento box, Wappa bento boxes are well-known. In general, you must not microwave this type. Additionally, wooden bento boxes have the following features.

  • You can enjoy even cold rice deliciously because wooden bento boxes moderately absorb water from the rice.
  • Carrying this type of bento box is easy as it is light in weight.
  • Since the wooden bento box has a good appearance, the dishes packed in it look delicious as well.


Komax Biokips Food Storage Lunch Boxes Set of 3 Lovely little bear Heat Resistance Double Layered Plastic Bento Lunch Box

Plastic is the most common material for bento boxes. The main characteristics of plastic bento boxes are as follows.

  • Plastic bento boxes are resistant to heat, so you can microwave them.
  • This type of bento box prevents leakage of liquid as it usually has a lid furnished with packing.
  • This type is available in a wide variety of designs.


Skater Aluminum Lunch Box My Neighbor Totoro 370ml MUJI Bento Box Aluminium Large Oval

Aluminum bento boxes must not be microwaved, but this type has several good points as follows.

  • Aluminum bento boxes are generally light and tough.
  • This type is easy to maintain since it is easy to remove oil and stains by washing.
  • You can warm this type in a heater.


Seed & Sprout Stacker Stainless Steel Bento Food Container LunchBots Bento Cinco Large Stainless Steel Food Container

Stainless bento boxes have been widely used in Japan for a long time. This type also must not be microwaved but has several good points as follows.

  • Stainless bento boxes are generally light and tough.
  • This type is easy to maintain since it is easy to remove oil and stains by washing.
  • Many prevent leakage of liquid because they have a lid furnished with packing.

(Reference page: )


Hi, I'm Tomo, a Japanese blogger living in Niigata Prefecture, Japan. For the purpose of enriching your life, I would like to introduce things about Japan on this blog, especially unique Japanese products, cooking recipes, cultures, and facts and trivia.

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