Best of
The Best Lunch Boxes (2026)
The best lunch boxes for 2026: Bentgo Kids, OmieBox, Yumbox, PlanetBox Rover, monbento MB Original, and more, compared on sealing, temperature, and size.
Our top picks at a glance
Best overall
Bentgo Kids Prints 5-Compartment Bento-Style Lunch Box, UnicornParents packing school lunches for ages 3 to 7 who want separate compartments that stay sealed in a backpack.
Best for keeping food cold
Bentgo Kids Chill 4-Compartment Lunch Box with Built-In Ice Pack, Fuchsia/TealParents who pack dairy, yogurt, or fruit and want cooling built into the box itself.
Best hot-and-cold lunch box
Omie OmieBox Bento Box with Leak-Proof Insulated Food Jar, SunshineParents who want to send warm food to school without a separate thermos, for kids aged 3 and up.
For most families, the Bentgo Kids Prints is the pick: five sealed compartments, kid-sized portions, and latches a child can open alone. Parents who pack cold food should choose the Bentgo Kids Chill for its built-in ice pack, and parents who send warm food should choose the OmieBox for its insulated jar. Adults packing a work lunch should choose the monbento MB Original or the Bentgo Salad Container, and buyers who want steel should choose the PlanetBox Rover.
The picks, ranked
Best overall
Bentgo Kids Prints 5-Compartment Bento-Style Lunch Box, Unicorn
The school-lunch standard: five leak-proof compartments in kid-sized portions, with a print kids actually want to carry.

Strengths
- Five compartments portioned for a total of 2.4 cups keep a main, sides, and a dip apart without mixing.
- Two kid-friendly latches are easy for small hands to open and close on their own at school.
- Rubber-coated edges and a drop-proof build survive the daily backpack treatment.
- The removable tray is microwave safe and top-rack dishwasher safe, so reheating and cleaning stay simple.
Limitations
- Compartments are small for older kids, and a full sandwich only just fits the largest section.
- The outer shell needs hand washing, so only the tray goes in the dishwasher.
- No ice pack is included, so cold foods need a separate pack on warm days.
- Repeated dishwasher heat can warp the tray slightly, which makes the latches harder to close.
What owners report
Commonly praised
- Five compartments keep every food in its own place until lunchtime
- latches open easily for small hands at the school table
- sturdy build survives daily drops onto the classroom floor
Common complaints
- Small portions run short for older or hungrier kids
- outer shell needs hand washing while only the tray goes in the dishwasher
- tray can warp with dishwasher heat and make the latches stiff
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 5 |
|---|---|
| Capacity | 2.4 cups |
| Dimensions | 8.5 x 6.5 x 2 in |
| Ages | 3 to 7 years |
| Material | BPA-free food-safe materials |
| Care | Removable tray microwave and top-rack dishwasher safe; hand wash outer shell |
Best for: Parents packing school lunches for ages 3 to 7 who want separate compartments that stay sealed in a backpack.
Skip if: Your child needs a full sandwich plus large sides, or you need a built-in way to keep food cold.
Best for keeping food cold
Bentgo Kids Chill 4-Compartment Lunch Box with Built-In Ice Pack, Fuchsia/Teal
The cold-lunch fix: a built-in ice pack under the tray keeps yogurt and fruit cool until lunchtime, with no loose pack to lose.

Strengths
- The removable ice pack sits under the tray and keeps food cool until lunch, with nothing extra to buy or lose.
- Four compartments hold a total of 3.33 cups, a little more room than the five-compartment Kids Prints box.
- One kid-friendly latch is simple for small hands to work, and the rubberized edge resists drops.
- The removable tray is microwave safe and top-rack dishwasher safe, and the box carries a 2-year warranty.
Limitations
- The ice pack needs freezing overnight, so a forgotten freeze means a warm lunch the next day.
- Cooling fades by late afternoon, so it suits lunchtime rather than all-day cold storage.
- Without the ice pack in place the fit is looser and the latch does not close as firmly.
- The shell and ice pack need hand washing, so only the tray goes in the dishwasher.
What owners report
Commonly praised
- Built-in ice pack keeps yogurt and fruit cool until lunch with nothing extra to carry
- four compartments hold a little more food than the five-compartment Kids box
- single latch is simple for small hands to work
Common complaints
- Ice pack must freeze overnight or lunch goes warm
- cooling fades by late afternoon on long days
- fit feels loose and the latch closes less firmly when the ice pack is left out
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 4 |
|---|---|
| Capacity | 3.33 cups |
| Dimensions | 8.9 x 6.5 x 2 in |
| Ice pack | Removable, built-in under tray |
| Material | Food-grade PP, ABS, and TPE |
| Care | Tray microwave and top-rack dishwasher safe; hand wash shell and ice pack |
| Warranty | 2-year |
Best for: Parents who pack dairy, yogurt, or fruit and want cooling built into the box itself.
Skip if: You need five compartments, or your child struggles with a snug single latch.
Best hot-and-cold lunch box
Omie OmieBox Bento Box with Leak-Proof Insulated Food Jar, Sunshine
Hot pasta and cold fruit in one box: a vacuum-insulated jar sits inside a three-compartment bento, so warm and cold travel together.

Strengths
- The removable 18/8 stainless steel vacuum jar keeps hot food warm for hours, so pasta and soup can go to school.
- Two temperature zones let warm food sit beside cold fruit and veg without either side suffering.
- Three compartments plus the jar cover a full meal in one box, with no bag of extra containers.
- Seals and dividers are replaceable, and the box comes apart for a thorough clean.
Limitations
- At 1.7 lb empty, it is the heaviest kids box here, and small children feel the weight in a backpack.
- Hand wash only, so daily cleaning takes more effort than a dishwasher-safe box.
- The latch can be hard for small hands to close, and the jar seal needs care to stay fresh.
- Warm retention depends on preheating the jar, so a cold jar and cold food will not warm up on their own.
What owners report
Commonly praised
- Vacuum jar keeps pasta and soup warm beside cold fruit in the same box
- seals and dividers come out for a thorough clean and can be replaced
- one box replaces a thermos plus separate containers
Common complaints
- Heavy at 1.7 lb before food goes in, too much for small children to carry far
- hand wash only, so cleaning takes longer every night
- latch can be hard for the youngest hands to close
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 3 |
|---|---|
| Food jar | 18/8 304 stainless steel, vacuum insulated |
| Weight | 1.7 lb |
| Ages | 3+ years |
| Material | BPA and phthalate-free plastic |
| Care | Hand wash only |
Best for: Parents who want to send warm food to school without a separate thermos, for kids aged 3 and up.
Skip if: Your child is small and the 1.7 lb weight is too much to carry, or you want dishwasher cleaning.
Best sandwich lunch box
Yumbox Panino Leakproof Bento Lunch Box, Surf Blue Shark
The sandwich box: a full-size compartment for a sandwich, plus three more for sides, in a slim box that weighs 17 oz.

Strengths
- The main compartment fits a whole sandwich, which the smaller Yumbox Original cannot do.
- Four compartments in total, three plus a dip well, keep sides and dips from touching the sandwich.
- The illustrated shark tray makes the box fun to open, which matters for kids who resist packed lunch.
- A single easy latch opens and closes with one hand, and the box is dishwasher safe.
Limitations
- Not made for hot food, so soup and warm pasta need a separate container.
- The slim profile limits bulky items, and a tall roll can press against the lid.
- The silicone seal needs regular rinsing after saucy foods, or it holds smells.
- No utensils are included, so a fork or spoon must be packed separately.
What owners report
Commonly praised
- Main compartment fits a whole sandwich without squashing it
- shark tray makes opening the box fun for kids
- single latch opens with one hand at the lunch table
Common complaints
- No room for hot food, so soup needs a separate container
- slim shape leaves little space for bulky rolls or tall snacks
- silicone seal holds smells if not rinsed after saucy foods
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 4 (3 plus dip well) |
|---|---|
| Dimensions | 8.5 x 6 x 1.8 in |
| Weight | 17 oz |
| Material | BPA-free plastic with silicone seal |
| Care | Dishwasher safe |
| Closure | Single latch |
Best for: Kids and adults who pack a sandwich as the main event and want sides kept separate.
Skip if: You need a hot-food jar, or you pack large portions that need a deeper box.
Best for picky eaters
Yumbox Original Leakproof Bento Lunch Box, 6-Compartment Tray, Power Pink (Paris Tray)
Six small compartments for grazers: the picky-eater box that turns a little of everything into lunch.

Strengths
- Six individually sealed compartments let you pack six different foods with no mixing between them.
- The illustrated Paris tray gives kids a reason to open the box and try what is inside.
- At 8.5 x 6 x 1.8 in it fits easily in a standard lunch bag, and it weighs only 1.1 lb.
- The easy-open latch suits small hands, and the tray is top-rack dishwasher safe.
Limitations
- At 3 cups in total, it is small for older kids and for big appetites.
- No compartment fits a whole sandwich, so sandwich packers should choose the Panino instead.
- The dip well is small, and a generous dip portion will not fit.
- The lid seal needs rinsing after saucy foods, or it holds a smell into the next day.
What owners report
Commonly praised
- Six small compartments suit grazers who eat a little of many things
- illustrated Paris tray encourages kids to try what is packed
- compact size slips into a standard lunch bag easily
Common complaints
- Total capacity is small for older kids and big appetites
- no compartment fits a whole sandwich
- dip well is too small for a generous portion of dip
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 6 |
|---|---|
| Capacity | 3 cups |
| Dimensions | 8.5 x 6 x 1.8 in |
| Weight | 1.1 lb |
| Ages | Toddler to 8 years |
| Material | BPA-free plastic with silicone seal |
| Care | Top-rack dishwasher safe |
Best for: Toddlers to age 8 who eat a little of many things and need portions kept apart.
Skip if: You pack a full sandwich, or your child has outgrown small portions.
Best stainless steel lunch box
PlanetBox Rover Classic Stainless Steel Bento Lunch Box, 5 Compartments
The steel workhorse: five compartments in one solid stainless box that can take years of school days.

Strengths
- Solid stainless steel construction stands up to daily drops and years of use.
- Five compartments, four main plus a treat spot, suit grazers and picky eaters well.
- Dishwasher safe, so cleaning is a simple rack load rather than a hand-wash routine.
- Works with PlanetBox dippers, pods, and bags, so the box can grow with your packing habits.
Limitations
- Not leak-proof between compartments, since there is no silicone seal in the lid.
- No dippers are included with the basic Rover, so wet foods need separate containers.
- Cannot go in the microwave, so hot food must be packed in something else.
- Steel shows dents and fingerprints, and the box feels cold to hold on winter mornings.
What owners report
Commonly praised
- Solid steel build takes years of drops without cracking
- five compartments suit grazing and picky eating
- dishwasher cleaning keeps the daily routine simple
Common complaints
- Liquids move between compartments since the lid has no silicone seal
- no dippers included, so wet foods need separate containers
- steel cannot go in the microwave for reheating
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Compartments | 5 (4 plus treat spot) |
|---|---|
| Dimensions | 10 x 7.5 x 1.5 in |
| Weight | 1.2 lb |
| Material | Stainless steel |
| Care | Dishwasher safe |
| Dippers | Not included |
Best for: Families who want a plastic-free, durable box for grazing portions and picky eaters.
Skip if: You pack wet foods like yogurt or soup, or you need a leak-proof seal between compartments.
Best adult work lunch box
monbento MB Original Bento Box, Blossom Red and White
The office bento: two stackable, airtight tiers that reheat in the microwave and look at home on a desk.

Strengths
- Two 500 ml tiers give a full litre for a main and a side, or a salad and a dessert.
- Silicone seals on the intermediate lids make each tier completely airtight for transport.
- The PBT body reheats in the microwave with the silicone caps lifted, up to 500 W for 3 minutes.
- Dishwasher safe, and the set includes a food cup and elastic bands for carrying.
Limitations
- The stacked shape is taller than a flat bento, so it needs a deeper bag.
- The graphic lid needs gentler care than the rest of the box, per the maker guidance.
- No built-in cutlery in this configuration, so a fork must be packed separately.
- A premium position for a plastic box, and the look is plain next to patterned kids boxes.
What owners report
Commonly praised
- Two airtight tiers carry a main and a side without mixing
- microwave reheating works with the silicone caps lifted
- neat stacked shape looks right on an office desk
Common complaints
- Stacked shape needs a deeper bag than a flat bento
- graphic lid needs gentler care than the rest of the box
- no cutlery included, so a fork must be packed separately
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Capacity | 2 x 500 ml (34 fl oz total) |
|---|---|
| Dimensions | 7.3 x 3.7 x 3.9 in |
| Weight | 1.1 lb |
| Material | PBT, BPA-free |
| Care | Dishwasher safe; microwave safe with silicone caps lifted |
| Compartments | 2 tiers |
Best for: Adults packing a two-course work lunch who want airtight tiers and microwave reheating.
Skip if: You need kid-sized portions, or you want one flat box rather than a stack.
Best salad lunch box
Bentgo Salad Container, 54 oz Bowl with 4-Compartment Toppings Tray, Coastal Aqua
The salad-day box: a deep 54 oz bowl, a toppings tray, a dressing cup, and a fork in one stack.

Strengths
- The deep 54 oz bowl holds a full salad without crushing the greens.
- A four-compartment toppings tray keeps crunchy toppings away from wet leaves.
- The leak-proof dressing container means no more soggy salad by lunchtime.
- A reusable fork is included, and the removable bento tray adds packing options.
Limitations
- The tall bowl shape needs more bag height than a flat bento box.
- The dressing cup is small for heavy dressings, so big dressings need a second cup.
- The fork lives in the lid, so a lost fork means finding a spare that fits.
- A single-purpose salad box, so it earns its place only if salads are a regular lunch.
What owners report
Commonly praised
- Deep bowl holds a full salad without crushing the greens
- toppings tray keeps crunchy toppings away from wet leaves
- dressing cup keeps salad crisp until eating time
Common complaints
- Tall bowl shape needs more bag height than a flat box
- dressing cup is small for heavy dressings
- fork lives in the lid, so a lost fork needs a matching spare
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Bowl capacity | 54 oz |
|---|---|
| Toppings tray | 4 compartments |
| Includes | Leak-proof dressing container and reusable fork |
| Material | BPA-free |
| Care | Microwave and dishwasher safe |
| Use | Salads and meal prep |
Best for: Salad packers who want toppings crisp and dressing separate until eating time.
Skip if: You rarely eat salads, or you need a flat box that slides into a slim bag.
Best meal-prep value
Bentgo Easyboxes 3-Compartment Lunch Containers, Set of 4, Classic
The meal-prep set: four stackable three-compartment boxes for a week of school and work lunches.

Strengths
- Four trays and four lids in one set cover a whole week of packed lunches.
- Three compartments per container keep a main and two sides apart in right-sized portions.
- Dishwasher, microwave, and freezer safe, so the same box preps, stores, and reheats.
- Containers nest when empty and stack when full, and tabbed lids open easily for kids.
Limitations
- Lids seal in freshness but are not leak-proof, so liquids and dressings need their own cup.
- Thin plastic can dent under heavy bag loads, and lids warp with rough dishwasher use.
- No ice pack or insulation, so cold foods need a separate pack.
- The plain design is practical rather than pretty, with no prints or colour choices in this set.
What owners report
Commonly praised
- Four boxes in one set cover a whole week of packed lunches
- dishwasher, microwave, and freezer safe, so one box preps, stores, and reheats
- tabbed lids open easily for kids
Common complaints
- Lids seal freshness but are not leak-proof for liquids and dressings
- thin plastic can dent under heavy bag loads
- no ice pack or insulation for cold foods
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Set includes | 4 trays and 4 lids |
|---|---|
| Compartments | 3 per container |
| Dimensions | 9.4 x 6.1 x 2 in |
| Material | Food-safe polypropylene, BPA, vinyl, lead, and PVC free |
| Care | Dishwasher, microwave, and freezer safe |
Best for: Families who prep several lunches at once and want a spare box always ready.
Skip if: You need a leak-proof seal for wet foods, or one box that does everything.
Best plastic-free lunch box
ECOlunchbox Tri Bento 3-Tier Stainless Steel Lunch Box
The plastic-free tiffin: three clip-together steel tiers for a dry lunch, with nothing plastic touching the food.

Strengths
- Three tiers hold 12 oz each, 36 oz in total, so a main and two sides stack into one neat tower.
- Stainless steel 201 is free of BPA, BPS, and phthalates, with no plastic in the design.
- Clips hold the tiers together without pinching fingers, and the round tiffin shape packs well.
- Dishwasher safe, and steel tiers can be reheated in a medium oven or over a camp stove.
Limitations
- Not leak-proof, since no plastic seals are used in the design, so wet foods are out.
- Not microwave safe, so reheating needs an oven or a stove.
- The round shape wastes bag corners next to a rectangular box.
- At 16 oz empty, the steel tower is heavier than a plastic box of the same capacity.
What owners report
Commonly praised
- Three steel tiers stack a main and two sides into one neat tower
- no plastic anywhere in the design, so nothing touches the food but steel
- clips hold the tiers together without pinching fingers
Common complaints
- Not leak-proof, so yogurt and soup are out
- cannot go in the microwave for reheating
- round shape wastes bag corners next to a rectangular box
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
| Capacity | 36 oz total (12 oz per tier) |
|---|---|
| Tiers | 3 |
| Dimensions | 5.25 x 5.25 x 4 in |
| Weight | 16 oz |
| Material | Stainless steel 201, BPA, BPS, and phthalate free |
| Care | Dishwasher safe; not microwave safe |
Best for: Buyers who want a fully plastic-free lunch box for dry foods and portion control.
Skip if: You pack yogurt, soup, or anything wet, or you need microwave reheating.
How we chose
Sealing first, because mixing ruins lunch
A lunch box fails when foods mix, so we weighted compartment sealing above everything else: each compartment needs its own seal under the lid, not just a lid over the whole box. Boxes with silicone-sealed compartments rank above boxes with open dividers, and we said plainly where a box is not leak-proof.
Temperature honestly stated
Only two boxes here actively manage temperature: the Bentgo Kids Chill with its ice pack and the OmieBox with its vacuum jar. Every other box keeps food at the temperature it was packed at, and we did not credit them with cooling or warming they cannot do. Maker temperature claims are reported as claims, not as tested results.
Size against the bag, not just the hand
A box that does not fit the lunch bag or backpack stays home. We recorded exact dimensions and noted where a box is tall, wide, or heavy for its job, so buyers are not caught out after ordering. A slim box suits a packed bag; a tall salad bowl or a stacked bento needs a deeper bag.
Cleaning decides whether a box survives the year
Seals, latches, and ice packs all need cleaning, and a box that is hard to clean grows stale fast. We noted dishwasher safety, hand-wash parts, and seal care for every pick, since a clean simple box beats a clever box that smells by February.
Questions, answered
What is the best lunch box for school?
For ages 3 to 7, the Bentgo Kids Prints: five sealed compartments in kid-sized portions, with latches a child can open alone. If you pack yogurt or fruit, the Bentgo Kids Chill adds a built-in ice pack. If you send warm food, the OmieBox carries a hot jar beside cold compartments.
Are bento boxes really leak-proof?
Only the ones with a silicone seal pressing on each compartment, like the Bentgo Kids, Yumbox, and monbento boxes here. Boxes with open dividers, like the PlanetBox Rover and the ECOlunchbox Tri Bento, keep foods apart but will let liquids move between sections, so they are not leak-proof for yogurt or soup.
How do I keep lunch cold until school lunchtime?
Pack cold food cold, freeze the Bentgo Kids Chill ice pack overnight, and keep the box closed until eating time. A chilled box with an ice pack holds cold well until lunch; a room-temperature box with no pack will not, however good the seal is.
Can I put a lunch box in the dishwasher?
It depends on the box: the PlanetBox Rover, Yumbox Panino, and ECOlunchbox Tri Bento are dishwasher safe, while the Bentgo Kids boxes want the tray on the top rack and the shell hand washed, and the OmieBox is hand wash only. Check the care line for each pick before buying.