The 10 Best Bento Boxes to Buy in 2021

What to Look for When Buying a Bento Box

By Marshall Bright

Design

As you may expect with something that has been in use for nearly a millennia, Bento boxes and meals vary widely. At its most basic, a bento box is a tray with a lid (either attached or detached) for ease of transportation. Both traditional and more contemporary bento can come in a variety of shapes and sizes but are generally either square or round. Bento meals also typically feature a variety of foods that are divided using trays or even separate compartments that are often stacked. Dividers can be fixed or moveable, allowing you more control over the portions. 

Materials

The first bento were made from bamboo, then later lacquered boxes and wood, such as cedar. Beginning in the 20th century, other materials began to be used, starting with aluminum in the 1920s. Today, you can still find bento boxes made from traditional materials as well as stainless steel, plastic, and glass. Single-use bento, common in Japan at convenience stores and sometimes found abroad as well, are typically single-use plastic or even styrofoam.  

Insulation

Another change in bento boxes in the 20th century was the introduction of insulation in the design. Japanese insulated bento tend to come in separate containers and resemble a Western-style lunchbox, with a thermos cup that fits into an insulated or non-insulated soft carrying case. The more common insulated option tends to be bento-inspired lunchboxes made by Western companies, often with a removable tray inside an insulated case. You can also find non-insulated bento that come with an insulated carrying case. 

Capacity 

Bento boxes are designed with a single serving meal in mind, but can still vary in size. While there’s no one meal packed in a bento, recipes and meal ideas tend to have a mix of proteins, carbs (typically rice), vegetables, and fruits. If you balance out your foods, you can typically create a filling meal even in a smaller bento box. But if you want a big salad, for example, you may need to find a bento box specifically designed for a big pile of greens so you’re not left hungry. You can also consider how many foods you’re likely to want to pack: A bento with lots of small compartments could be great if you like variety or pose a problem if you typically want just a main and a side.

Lids

Early bento lids were completely separate from the base of the box and often tied up in furoshiki, a traditional Japanese wrapping cloth, to help keep it secure. Today, tops of boxes are often more secure, with lids and seals that resemble other food containers. Tops can be held in place with clasps, airtight lids, or gaskets. Lids are also often hinged, making it easy to keep all parts of the box together. Lids vary in how leak- and splash-proof they are, so think about how much you’ll need to transport your bento, and even how far ahead you want to prep your food; an airtight seal will help keep food fresher longer and prevent food from spilling in your bag. 

Safety

Not surprisingly, before the advent of the microwave, bento meals were eaten cold. Today, like with all packed meals, it’s often a matter of preference. If you want to heat up meals, make sure your bento is microwave-safe. Additionally, no matter your plans, ensure any plastic is BPA-free.

Price 

Simple bento typically start at around $15, going up to around $30 as features like insulation and spill-proof seals are added. More design-focused bento, as well as indestructible models with kids in mind, tend to be on the more expensive side. Traditional wood bento is, perhaps surprisingly for those not familiar, the most expensive. Because they are still handmade, wood bento can cost upwards of $100. 

Types of Bento Boxes

Traditional

For most of history, bento boxes were made from wood, woven bamboo, or lacquered wood. Bento made from traditional materials are still available today, though many people now opt for easy-to-care-for plastic or metal bento. Many so-called lacquer boxes you may find online, for example, are often made from plastic mimicking the high shine of lacquer. 

Modern

Modern bento come in nearly every conceivable shape, size, and color. They typically feature designs that make them amenable to everyday use, including light and easy-to-care-for materials as well as spill-proof lids. Plastic bento can also mimic more traditional designs that were once made with lacquer. 

For Children

As with Western-style lunch boxes, bento boxes can be licensed with favorite characters or use bright, colorful designs to appeal to children. For Western parents, the appeal of bento boxes is often that it helps build in variety for school lunches—and avoid single-use plastic bags. Bento boxes marketed to children in America often feature tight seals and clasps for preventing splashes and come in bright colors. 

Disposable

Less common in the West, disposable bento meals are often sold to-go in single-use plastic trays. You may be able to find these at Japanese markets or even in to-go orders at Japanese restaurants. Disposable meal prep containers, with separate compartments, offer similar single-use convenience. 

Brands/Manufacturers

Bentgo

Bentgo is one of several American companies that adapts traditional bento for a Western audience, offering products like salad bento and children’s bento boxes with a sandwich-sized compartment. Its products are also often insulated. 

ECOlunchbox

A California company, ECOlunchbox offers stainless steel and plastic-free bento-style lunchboxes. It also sells stainless steel inserts and accessories. 

Maintenance

After eating out of your bento, simply wash and dry it until next time. Some bento, especially insulated models, have removable inside trays that can be washed, and the exterior is only cleaned as needed. Traditional materials, like bamboo or wood, require more care and must be hand-washed. Lacquerware can even peel and chip in the wrong environment—it’s little wonder people opt for materials like metal and plastic when given the chance for this everyday product. 

FAQs

What is a bento box?

Bento is a single-portion meal designed to be taken to go. Of Japanese origin, today bento is popular all over Asia and, increasingly, the West. 

What is in a traditional bento box? 

Originally, bento would have been fairly simple, just containing rice for a traveler. Over the centuries, bento developed to reflect trends in Japanese cooking. A bento will typically contain rice or noodles alongside a protein, like fish or pork, as well as vegetables. Other common items include tamagoyaki (a Japanese rolled omelet), potato or pasta salad, and fruit salad. 

Do bento boxes keep food warm?

Most bento boxes are not fully insulated, like with a thermos. They can, however, be stored in an insulated carrying case. 

Are bento boxes microwavable?

For most of centuries people have eaten bento meals, the food was eaten at room temperature. With the advent of refrigerators and microwaves, many of us store food for hours before eating it at low temperatures or may just want a piping-hot meal away from home. Many bento boxes are microwave safe, though not all. Check instructions before microwaving. 

Why Trust The Spruce Eats?

Donna Currie is a food writer and product tester for The Spruce Eats. A self-professed "kitchen geek," she's written many roundups on a range of essential kitchen items, from the best Thanksgiving gadgets to the top seafood kitchen tools of the year. 

Linnea Covington is a food writer and product tester for The Spruce Eats and personally tested one of the items on this roundup.

Marshall Bright, a freelance writer covering food and cooking for The Spruce Eats, updated this roundup. A self-taught home chef, Marshall is passionate about making home cooking approachable and fun for more people.