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17 Best Adult Work Lunch Boxes

Is it time for you to be heading into the office?

There are numerous benefits of taking your own lunch to work every day: it saves money, it's better for your body and it's better for the environment.

When you bring your lunch to work every day, you obviously save money because you don't have to buy lunch out. Think about it this way – if you spend $15 a day on lunch, five days per week, you can save $75 every week!

Carrying your own lunch also tends to encourage you to make healthier food choices. You'll be more likely to pack a sandwich instead of a burger, fruit instead of a chocolate bar. You can also be 100% sure of the quality of the ingredients. 

Finally, packing your own work lunch reduces the demand for takeaway packaging and waste.

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Best Lunch Boxes for Adults

Adult work lunch boxes are a great way of ensuring that you have a healthy and nutritious meal at the office. They come in different shapes, sizes, and materials which makes them perfect for any occasion.

Let me introduce you to the best lunchboxes for adults!

There is a wide selection of extremely practical, adult-friendly lunch boxes, such as leak-proof lunch boxes, insulated food jars and metal lunch boxes. 

Leakproof adult lunch boxes 

A leak-proof lunchbox designed for adults is ideal because it can be placed on its side, which makes it easy to load in your backpack or handbag for work.

Leakproof lunch boxes usually come with a silicone seal over the lid that works to make the lid airtight. 

However, this does not mean that they're not completely plastic-free. Instead, look for leak-proof lunch boxes that are BPA-free and phthalate-free.

1. Go Green Original 5 Compartment Lunch Box

The Go Green Original 5 Compartment Lunch Box is a big enough to fit a hefty and healthy lunch plus a stainless steel drink bottle for a perfect waste-free packed lunch!  The five compartments plus leak-proof feature allow you to place as much food as you’d like without having to worry about using unnecessary plastic containers or multiple individual containers.

The Go Green Original 5 Compartment Lunch Box also comes in Pink, Blue, Green and Purple
Buy Go Green Original 5 Compartment Lunch Box

Go Green Original Compartment Lunch Box Blue

2. Glasslock Duo Blue Seal Container

Always on the go? The Glasslock Duo Blue Seal Container is a specially designed divided glass container that can perfectly hold lunches and snacks into separate two compartments. The container is also great for storing ingredients needed for meal prep. 

The container is leakproof, stain proof and shatter resistant, so you’ll be getting your money’s worth by investing in this lunch box. Buy Glasslock Duo Blue Seal Container

Glasslock Duo Blue Seal Container

3. EcoCocoon Bento Lunch Box

The EcoCocoon Bento Lunch Box is a 5 Compartment stainless steel Bento Lunch Box that is perfect for keeping your large meal fresh through out the day. 

The lunch box also features a leak-proof silicone compartment seal so you don’t have to worry about leakage as you go about yourday.

The EcoCocoon Bento Lunch Box also comes in a 2 compartment variation if you’re carrying smaller meals.
Buy EcoCocoon Bento Lunch Box

EcoCocoon Bento Lunch Box

4. Planetbox Launch Kit

Pack a well-balanced, litterless lunch with the help of the Planetbox Launch Kit. While the brand is particularly popular for kids lunch boxes due to their fun and colourful designs, adults don’t have to miss out with their stylish plaid Planetbox Launch Kit.

The bento-style stainless steel lunch box comes with magnets and a leak-proof container with a silicone lid to help you avoid using single use plastics. The company offers replacement parts to help with the products’ longevity.
Buy Planetbox Launch Kit

Planetbox Launch Kit

5. U Konserve Rectangle Container

The U Konserve Rectangle Container is a stainless steel bento box container that comes with a movable and removable divider so you can customise it to your needs.

The container also comes in different sizes and colours can you can see the full range here

Buy U Konserve Rectangle Container

U Konserve Rectangle Container

Food Ideas for Leakproof Lunch Boxes:

Here are some ideas for delicious, nutritious work lunches that you’ll look forward to eating at the office!

  • Rice paper rolls or pastries with dipping sauce 
  • Buddha bowl made of cereals, whole grain, and vegetables, served with dressing on the side
  • Curry or stir fry rice, and something crunchy to add on top of it in a tiny container
  • A nutritious salad and dressing on the side

Shop Lunch Boxes

Adult lunch boxes that are insulated

An insulated food jar can keep your lunch hot or cool all the way to lunchtime. They are an excellent choice for those who are on the go or don't work in the office and do not have access to a refrigerator or microwave.

To keep hot food as warm as you can, preheat your food container by filling it up with boiling water prior to pouring it out and adding hot food items. 

To keep food chilled to the maximum extent feasible you can put your food jar into the freezer, with the lid removed for 15 minutes prior to adding the cold food items.

Look for insulated lunch boxes or food flasks that are BPA Free, PVC free, leakproof and simple to open. 

6. Black + Blum Stainless Steel Food Flask

If you like your food hot, then check out the stylish Black + Blum Stainless Steel Food Flask.

This vacuum insulated food jar will keep your food hot for 6 hours or cold for 8 hours! It is also 100% leakproof and can hold up to 400ml. 

These Black + Blum Stainless Steel Food Flask comes complete with a matching ladle spoon and vegan-leather strap and in colours Ocean and Olive.
Buy Black + Blum Stainless Steel Food Flask

Black Blum Stainless Steel Food Flask

7. Cheeki Stainless Steel Insulated Food Jar

Need your food to stay cold or hot longer? The Cheeki Stainless Steel Insulated Food Jar is a premium food-grade stainless steel, vacuum insulated food jar that can keep food hot for 8 hours and cold for 12 hours. 

It has a 480ml capacity and is great for salad, fruit, pasta, noodles and soup.

Buy Cheeki Stainless Steel Insulated Food Jar

Cheeki Stainless Steel Insulated Food Jar

8. Thermos insulated food jar with folding spoon

The Thermos insulated food jar comes with a folding spoon, making it the perfect tool for lunches when you’re out hiking, camping or going on picnics. 

The insulated food jar can hold up to 470ml in contents and will keep your food hot for 7 hours and cold for 9 hours.

Looking for something similar but with a different design? Check out the Thermos wide-mouth food jar that also comes with its own folding spoon.

Buy Thermos insulated food jar with folding spoon

Thermos insulated food jar with folding spoon

9. Thermos double wall food jar

For an easy lunch packing experience, check out the wide mouth Thermos double wall food jar. The double-walled food jar is compact, lightweight and can hold up to 470ml.

Buy Thermos double wall food jar

Thermos double wall food jar

10. Klean Kanteen TKCanister 

The Klean Kanteen TKCanister is in an award-winning Climate Lock container that comes in a large 946ml size, making it the perfect container for shared warm or cold meals, picnics and more. 

The Klean Kanteen TKCanister also comes in a smaller 237ml size which is great for kids, packing a snack or for carrying a small warm or cold meal. 

Buy Klean Kanteen TKCanister

Klean Kanteen TKCanister

11. BBBYO Foodie Insulated Jar

BBYO is an Australian company committed to coastal conservation and keeping plastic and textile waste out of our oceans. 

To further help this cause, the company created the BBBYO Foodie Insulated Jar which is an eco-friendly solution to using disposable plastic containers. 

This food container keeps food hot for 12 hours and cold for 24 hours, and comes in a cute woodgrain pattern. The patterned neoprene carry cover also helps to insulate and protect the container and the handle makes it easier to carry around.

The BBBYO Foodie Insulated Jar also comes in a smaller 500ml insulated food jar

Buy BBBYO Foodie Insulated Jar

BBBYO Foodie Insulated Jar

Work lunch ideas for insulated food jars:

  • Fruit and yogurt and Granola in a separate container. 
  • Roast vegetables and Hummus or another dip in a separate container
  • Stir fry or curry with pasta or rice.

Shop Insulated Food Jars

Metal lunch boxes for adults

Lunch boxes for adults made of metal are constructed from top quality food-grade, 18/8 stainless steel. They are extremely durable, user-friendly and clean and will last for a long time. If it does get to the point of no return it is 100% recyclable.


Metal lunch boxes will not retain the smells and colours of food as plastic lunch boxes do, and they can be washed in the dishwasher. They will take the occasional bump but they could scratch or dent when dropped on the hard surface.


Most lunch boxes made of metal are not leak-proof and therefore are not suitable for foods that are very wet. Some models have an adhesive made of silicone on the inside of the lid that makes it leakproof.

12. Sustain-a-Stacker

For a spacious and flexible way to pack your waste-free lunch, check out the compact and clever Sustain-a-Stacker. It features two connecting compartments and a smaller container that fits within one of the layers.

You can also mix it up by using the container in different ways like using the top layer separately without having to clip it onto the lower layer.

The Sustain-a-Stacker also comes in a smaller size, the Tuck-a-Stacker.
Buy Sustain-a-Stacker

Sustain a Stacker

13. Yumbox Presto

The Yumbox Presto is a 5 compartment Steel Bento lunch box that is suitable for both adults and kids. 

The bento box is compact, lightweight, and comes with a single lid that latches onto a closed position to create the best seal. 

The Yumbox Presto also comes in Lavender and Santa Fe Blue 
Buy Yumbox Presto

Yumbox Presto

14. Let's Go Nature'al Stackable Stainless Steel Food Carrier

If you're wanting to share a meal with friends, the Let's Go Nature'al Stackable Stainless Steel Food Carrier is an ethically sourced and sustainably made stack ‘n lock, four-tier tiffin food carrier.

It’s excellent for carrying to work, picnics, camping trips and more.

The container is plastic free, toxin free, premium quality and made to last.
Buy Let's Go Nature'al Stackable Stainless Steel Food Carrier

Lets Go Natureal Stackable Stainless Steel Food Carrier

15. Klean Kanteen Stainless Steel Food Box Set

The Klean Kanteen Stainless Steel Food Box Set comes in a set of three separate containers so you can use the container that best fits your needs for the day. The food boxes can be used for packing lunches or storing leftovers. 

The box set is made of high-grade stainless steel and food-grade silicone seals that are leakproof and BPA free. 

Buy Klean Kanteen Stainless Steel Food Box Set

Klean Kanteen Stainless Steel Food Box Set

16. Green Essentials Round Triple Layer Bento Box

Sort out all your lunch needs with the Green Essentials Round Triple Layer Bento Box

This three-tier tiffin style bento box is made from food grade stainless steel and features a strong clamp closure to make sure each tier stays in place while you move around and go about your day.

The Green Essentials Round Layer Bento Box also comes in a double layer variation.

Buy Green Essentials Round Triple Layer Bento Box

Green Essentials Round Triple Layer Bento Box

17. Cheeki Stainless Steel Lunchbox

The Cheeki Stainless Steel Lunchbox is a double layered lunchbox that’s great for packing a variety of dry food with ease. 

Both layers hold up to 500ml making it great for single serving lunches and snacks.

Buy Cheeki Stainless Steel Lunchbox 

Cheeki Stainless Steel Lunchbox

Lunchbox ideas for Stainless Steel Lunchbox:

  • Sandwich in the lower compartment with Salad in the upper compartment. Trail Mix inside the container that is small.
  • A salad in the lower compartment. fruits and veggie sticks in the upper compartment and a thick dip such as the hummus or nut butter inside the container that is small.
  • Stir fry or curry in the lower compartment (not too liquid though), rice pasta, pasta or roti inside the upper compartment and fruit in the smaller container

Shop all eco-friendly lunch boxes
Shop all insulated lunch bags
Shop all water bottles


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Joyce Watts is a former intellectual property, IT and media lawyer turned serial entrepreneur.

As well as being the founder of TOT: HOT OR NOT she helps businesses with their SEO, email marketing & social media as BrightSmart.com.au; she owns an online bike store CycleStyle.com.au and develops and produces creative experiences for families via WheelieGoodFun.com. She used to publish another popular lifestyle and food blog called MEL: HOT OR NOT The decisive guide to Melbourne.

She lives in inner-city Melbourne with her husband, two children and seven bikes.

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