If you’d like to optimize your eating habits when you’re away from home, getting yourself a high-quality lunch box is a great way to keep your food fresh and organized until you’re ready to eat.

After considering a wide range of lunch box options, our overall favorite is the Mier Insulated Lunch Bag. It has a generous capacity, thick insulation and a detachable shoulder strap so you can transport your meal, snacks, and drinks with ease. 

Interested to learn more? Read on to find out all about our other top choices and what features you should look out for when choosing your new lunch box.

  • Zip closure 
  • Large capacity
  • Leak-proof interior
  • Separate internal compartments
  • Easy access outer pockets
  • Thick thermal insulation
  • Detachable shoulder carry strap

  • Six cup plus capacity
  • Three separate compartments
  • Durable stainless steel
  • Eco-friendly – plastic free
  • Unconditional lifetime warranty
  • Steel clasp closure

  • Cooks and warms food
  • Compatible with most sealed food containers
  • Automatic temperature control
  • Aroma lock system
  • Highly energy efficient
  • Wipe clean interior

  • Plastic cube design
  • BPA and phthalate-free, virgin plastic 
  • Multiple compartments
  • Secure plastic clasp lock
  • Dishwasher safe
  • Suitable for use in fridge, freezer and microwave


This insulated lunch bag by Mier is best if you need to pack an ample lunch to fill you up until you get home. Thanks to its large capacity, it would also make a great choice for picnics and day trips out.

Complete with a leak-proof interior to prevent spillages and damages, this lunch bag also features thick thermal insulation to ensure that your lunch remains at an optimal temperature. With its roomy size and internal compartments, you can also add ice packs during summer months and keep your food organized and separated, making it ideal for packing a selection of foods for lunch or even for the whole day. 

The detachable shoulder carry strap makes this lunch bag the perfect choice if you’d rather carry it without putting it inside another bag. As it folds down easily, it’s also a compact space-saver when it comes to storage or packing it away into your work bag after a long day. 

On the downside, we would have preferred it to be a little more sturdy. If you take something out from the bottom section, it becomes somewhat top-heavy and loses its rigidity. That said, if you’re looking for a large, well-insulated lunch bag that’s also comfortable to carry during busy days, you can’t go wrong with this pick.

Pros

  • Generous capacity perfect for large lunches and snacks
  • Bag style is comfortable to carry
  • Folds down when empty for easy storage
  • Multiple compartments keep everything organized
  • Good-quality insulation ensures food stays fresh

Cons

  • Not very sturdy

This 3-in-1, 100% stainless steel lunch box by GreenLunch Bento, is our favorite bento box pick. 

With its durable metal construction and unconditional lifetime warranty, this eco-friendly lunch box has been designed to last. Benefiting from a six cup plus capacity, you can make use of the three separate compartments to keep your lunch organized and protected. The pod nesting container makes a great place to transport fruit or other small snacks, while the bottom tier can easily store a whole sandwich. The deep upper tier is perfect for your pasta, salad, meats, or vegetables. With so many storage options the possibilities are almost endless.

This product is extremely durable, so it will protect your lunch from being crushed or dropped and can help you to reduce your reliance on plastic. It is not entirely leakproof, however, so if you like to pack lunches with a more liquid consistency, then you’ll be better off with our top pick.

Just be aware that because of its all-metal construction, this lunch box is not suitable for microwave use. It is also recommended that you do not wash it in the dishwasher, but  its shape makes it very easy to rinse out by hand.

Pros

  • Durable, stainless steel construction prevents crushing of contents
  • Multiple compartments allow easy separation of lunch items
  • Large enough to store whole sandwiches and snacks
  • Plastic-free design is perfect for the environmentally-minded

Cons

  • Not suitable for liquids
  • Non-microwavable
  • Not dishwasher safe

If you prefer to enjoy a hot meal at lunchtime, then check out our best heated lunch box pick, the Aotto Food Warmer. Simply plug it in to reheat your meal or to slowly cook your pre-prepared food so that it will be ready for your meal break. 

Suitable for use with most sealed food containers, this heated lunch box provides a highly convenient and simple way to enjoy healthy hot food when you’re away from home. The automatic temperature control makes it simple to use, while the aroma lock system ensures that the smell of your meal cooking won’t distract your co-workers. 

Highly energy-efficient, this superb mini food heater lunch box costs less than a cent to run per meal. Simply wipe the interior clean for easy, hassle-free maintenance. If you are thinking of purchasing one of these models, bear in mind that you will need continual access to a main power outlet in order to use it.

Pros

  • Cooks or warms your food  
  • Compatible with most food containers
  • Easy-to-use temperature controls 
  • Cooking aromas are sealed in 
  • Interior can be quickly wiped clean after use

Cons

  • Requires access to a main power outlet


Compact and stackable, the Lunch Cube is our best budget pick. Small, yet with a capacity of almost 50 oz, this handy little lunch box is great for taking your lunch out for the day. 

Thanks to its space-saving design you can use it as a food storage container both at home and away. The multiple compartments are ideal for keeping your lunch fresh, separated, and organized. While this is a plastic lunch box, it’s made from 100% virgin plastic and BPA and phthalate-free, so you won’t have to worry about any potential health effects from using it. 

Suitable for use in your fridge, freezer, and microwave, this model makes a convenient choice to store leftovers or heat up your meal at work. It is also dishwasher safe, so you won’t have to worry about hand-washing it after a hard day at the office. Its transparent walls also mean you can check on your lunch quickly and easily to make sure nothing has spilled or become mixed during transportation. 

It’s worth noting, though, that this model isn’t airtight and the internal compartments don’t seal perfectly. So, if you’re transporting liquids, rice, or couscous, you may notice leaks or that some grains have made their way into a neighboring section.

Pros

  • Stackable cube design holds a generous amount of food
  • Multiple compartments enable you to organize your lunch
  • Suitable for use in the microwave, fridge and freezer
  • BPA free plastic

Cons

  • Seals are not airtight
  • Open internal compartments

Comparison Chart

Mier Insulated Lunch Bag3-in-1 Bento Lunch BoxAotto Food Warmer Sistema Lunch Cube
Dimensions (in)10.2 x 7.9 x 117.2 x 3.5 x 5.58.2 x 6 x 0.65.5 x 5.5 x 3.9
StyleTote BagBentoHeatedPlastic Box
MaterialPolyesterStainless SteelPolyesterPlastic
ClosureZipMetal Spring ClaspZipPlastic Clasp
InsulatedXX
HeatedXXX
Multiple CompartmentsX
StackableXX
LeakproofXXX
Weight (lbs)1.11.21.10.3

Buyer’s Guide:

Lunch Box

When you’re looking to purchase a new lunch box, you should first consider which type is the most suitable for your everyday needs. Here’s the lowdown on some of the most popular types of lunch box:

Insulated 

Insulated lunch boxes make a great choice when the mercury starts to rise because they can keep your food fresher for longer. For lengthy commutes in hot weather, work areas without a fridge or day trips out, you will want to make sure your lunch box has enough space for a few ice packs to keep the temperature at safe levels until you’re ready to eat.

Bento

Bento boxes are a popular compact style lunch box with internal compartments. This allows you to store and transport different food types without them becoming mixed up en route.

Heated

If you have a power source at work, or wherever you’re headed for the day, then a heated lunch box is a convenient way to enjoy a hot meal away from home without having to spend money on fast food. You can either pre-cook your lunch at home and use your heated lunch box to reheat or take raw, pre-prepared ingredients and use it like a slow cooker.

Stackable

Stackable models make a great choice when you’re short on space. They are great for organizing your lunch and taking up less room in the fridge or kitchen area. Buying several stackable models will allow you to store a variety of foods conveniently and neatly without taking over food preparation space and irritating your co-workers.

Size 

Size matters when you’re choosing a lunch box. Consider your average packed lunch and ask yourself if it would comfortably fit within the given dimensions. You’ll also need to think about how you will transport your lunch box. If you opt for a large one, for example, you should confirm that it will fit in your bag and in the fridge at work. 

Materials 

Your choice of material will depend upon your needs:

  • Plastic – Convenient for reheating, lightweight, easy to wash and often transparent, plastic is a good choice, but it’s also prone to cracks and scratches with frequent use. Moreover, highly disposable models are not a great choice for the environment. 
  • Stainless Steel – Durable and long-lasting, a stainless-steel lunch box will protect your lunch from being crushed and is highly unlikely to break if you drop it. Bear in mind, though, that stainless-steel models tend to be on the smaller side and will not be microwave-safe.
  • Fabric – Easy to store, fabric lunch bags tend to accommodate larger lunches best. They can often fit several small plastic containers so that you can organize your lunch exactly how you want it.

Insulation

Insulation is important to keep your lunch cool while traveling. Some lunch boxes have the capacity for additional ice packs over the warmer months, so even if you have a lengthy commute, your meal won’t suffer from the journey. Bear in mind that while insulation is important, it can also add bulk and reduce the internal capacity of your lunch box.

Compartments

For ample lunches, internal compartments are a great way to keep your lunch organized and in prime condition. Check whether or not the compartments are open inside or if they lock in under the lid to ensure that your lunch won’t get mixed up during transportation.

Easy to Carry

You’ll need your lunch box to be easy to carry. If you already take a hold-all or other bag out with you, then simply check the dimensions of the lunch box to make sure it will fit inside. Some lunch bags, like our top pick, come with handles or, even better, shoulder straps, that make them easy to carry while leaving your hands free. 

Easy to clean

Before purchasing your new lunch box, take a few minutes out to consider how easy it will be to clean. Some plastic models are dishwasher-safe, which can be a blessing after a hard day’s work when you want to relax rather than cleaning out your lunch box. Stainless steel and fabric models, though, usually need to be washed or wiped clean by hand.

Microwave-safe

If your workplace has a microwave, it makes sense to opt for a microwave-safe lunch box. This will allow you to quickly and easily heat up your lunch without having to transfer containers.

Leakproof

If you are considering transporting food with liquids such as sauces, you’ll need to make sure that your lunch box has high-quality leak-proof seals. Larger lunch boxes that can accommodate smaller sealed individual containers can also make a great choice for transporting liquids while avoiding leaks.

Final Thoughts 

Whether you’re looking for a compact lunch box or a generously large one, our top four lunchbox picks have you covered. If, though, you’re still struggling to choose, our overall favorite is the Mier Lunch Bag.

With its generous capacity, the Mier Lunch Bag offers enough space for a hearty meal as well as extra snacks or ice packs on hot summer days. Its thick insulation will keep your food fresh and its handy shoulder strap means you won’t have to worry about finding space to squeeze your lunch box into your work bag.

If you’re looking for something with less capacity, the 3-in-1 Bento box makes a stylish option. We loved its choice of three internal compartments and durable stainless steel construction that can keep your lunch safe from accidental knocks and drops while out and about. 

Alternatively, if you prefer a hot meal, the Aotto Food Warmer could be your ideal match. Simply plug it in to reheat your meal or even cook your pre-prepared ingredients just like a slow cooker. Lastly, for sheer simplicity and convenience, the Lunch Cube by Sistema makes an excellent low-cost option. Compact and stackable, you can keep your desk area organized as well as your lunch, while also saving money.

Further Reading

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