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Updated: 21 May 2026

10 Best Lunch Boxes Adjustable

#1 Best Pick
Lunbengo 1400ml Stainless Steel Lunch Containers with Lid, Metal Bento Box for Adults - Spoon and Fork - Adjustable 1 or 2 Compartments, Food Containers for Office Travel, 8.5'' x 6.5''

Lunbengo 1400ml Stainless Steel Lunch Containers with Lid, Metal Bento Box for Adults - Spoon and Fork - Adjustable 1 or 2 Compartments, Food Containers for Office Travel, 8.5'' x 6.5''

Brand: Lunbengo
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  • VALUED LARGE LUNCH BENTO BOX: 8.5inch x 6.5inch x 2.4inch, 1400ml. Enough capacity holding lunch for a adult. The portable lunch container will not take much space in your bags. And the set includes a stainless steel spoon and a fork. Taking them to work/camping for lunch anytime.
  • REMOVABLE COMPARTMENT: The removable lunch divider allows you hold any food any time according your needs, Using just with one compartment or divide it into two compartments.
  • LEAKPROOF LUNCH CONTAINER: The stainless steel lunch container is designed with a airtight lid, which is equipped with a sealed rubber on the lid. The sealed lid will make sure your meal fresh for long time, and allow you pack it in backpack better without worrying about juice leaking.
  • FOOD GRADE MATERIAL: The lunch box are made from premium food safe durable stainless steel. It will keep your food safe and ensure the environment friendly.
  • MICROWAVE DISHWASHER SAFE: Heat up your meals directly by microwave after taking off the lid. Due to the high quality material, Cleaning it will not take much time by hand or dishwasher.
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#2 Best Value
MaMix Bento Lunch Box Adult, Kids, Lunch Containers for Adults/Kids/Students,1300ML-4 Compartment (Blue)

MaMix Bento Lunch Box Adult, Kids, Lunch Containers for Adults/Kids/Students,1300ML-4 Compartment (Blue)

Brand: MaMix
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  • Durable Plastic Construction: Made from odorless plastic for long-lasting use.
  • Multi-Compartment Design: Features 4 separate compartments to organize food and drinks.
  • Large Capacity: Holds up to 1400 milliliters to keep meals and snacks contained.
  • Freezer Safe: Compartments can be used to store food items in the fridge or freezer.
  • Portable Size: Compact 1300ml size is easy to carry for lunch or school.
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#3 Budget Pick
kinsho Bento Best Lunch-Box for Kids | Travel Containers for Women, Adults | 6 Compartment Lunch Box. Leakproof School Bentobox or Meal Planning Portion Container Boxes. BPA-Free (Blue)

kinsho Bento Best Lunch-Box for Kids | Travel Containers for Women, Adults | 6 Compartment Lunch Box. Leakproof School Bentobox or Meal Planning Portion Container Boxes. BPA-Free (Blue)

Brand: kinsho
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  • FLASH DEAL Today! (Reg price 23.99)DELUXE LEAK PROOF lunchboxes for fresh, yummy food your family will love. Large enough for women and child-friendly AGE 7+. Includes utensils, spoon & fork.
  • NAMED "BEST VALUE" BENTO by SheKnows Media! Easy portioned compartments support a varied, well-balanced diet. Holds over 4 cups of portion-control food that you can prep ahead and freeze or pop in the fridge.
  • CUTE MULTI-COMPARTMENT bentoboxes are also the BEST EVER snack containers for a balance of healthy food and treats.
  • MODERN, DURABLE + ECO-FRIENDLY plastic is insulated through double-walls. Silicone overlay on lid delivers easy-grip design. SIZE is 9" x 6.75"x 1.75" Please MEASURE your lunch bag! Boxes are LONGER than some kids lunch bags.
  • RECOMMENDED for KIDS AGE 7+ as the seal is VERY TIGHT and requires aligning the lid. Toddlers or young children would need assistance. 100% GUARANTEED to be no-leak, even for the most active children (boys & girls) women or men! 🙏HAND-WASH LID to maintain seal shape & integrity over time.
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#4 Top Choice
Lunch Box, 304 Stainless Steel Lunch Box, 1400ml Leakproof Bento Box, Microwave-Safe, Insulated Lunch Box for Students & Adults, Bento Box with Thermal Lunch Bag, Spoon, Fork(Beige)

Lunch Box, 304 Stainless Steel Lunch Box, 1400ml Leakproof Bento Box, Microwave-Safe, Insulated Lunch Box for Students & Adults, Bento Box with Thermal Lunch Bag, Spoon, Fork(Beige)

Brand: Generic
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  • 304 Stainless Steel: Crafted from food-grade 304 stainless steel, the portable bento box is BPA-free. It is microwave-safe (with the lid open, for no more than 5 minutes heating), dishwasher-safe, and freezer-safe. The food-grade PP components can withstand temperatures from -16°C to 100°C, ensuring the purity of your food.
  • Complete & Portable Set: The lunch box kit includes a 1400ml 3-compartment bento box (with an upper double-compartment and a lower single-compartment), thermal lunch bag, fork and spoon. Measuring 19.7x11x10.4cm, it boasts a large capacity while easy to carry, making it ideal for on-the-go use.
  • Practical Partition:The 3-zone partition system keeps different foods separate, preventing flavor mixing. Stainless steel bento lunch box features an innovative design with an air vent for easy lid opening, along with a negative pressure lock, dual silicone seals, and an elastic rubber ring, ensuring leakproof performance and long-term freshness.
  • User-Friendly Design: The ergonomic handle cleverly doubles as a phone stand, adding convenience during meals. Its non-slip base ensures stable placement on various surfaces, while the intuitive buckle design allows for easy opening and closing.
  • Widely Application: The lunch box, with its own lunch bag, is convenient for outdoor, camping, and school use. The compact set fits easily for hikes, picnics, or other outdoor activities. For school, students can carry it effortlessly, offering a practical way to bring meals daily.
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#5 Popular Choice
UHAPEER 2 Tier Lunch Box Bento Box with Lunch Bag | Cutlery, Adjustable Compartments for Adults and Kids, Portable Leakproof Food Container Lunchbox for Work and School

UHAPEER 2 Tier Lunch Box Bento Box with Lunch Bag | Cutlery, Adjustable Compartments for Adults and Kids, Portable Leakproof Food Container Lunchbox for Work and School

Brand: UHAPEER
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  • 【Lunchbox with Soup Jar】- Buy once and get everything you need: Bento box, soup jar, cutlery box, spoon, fork, chopstick. The 350ml breakfast cup yogurt jar stores porridge, soup, fruit, oat, cereal, cake, enrich your meal. Reusable Lunch box set is perfect for adults, kids to use at home, office, school, also for camping, picnic, party. Nice Gift idea also.
  • 【Food-grade Material】- Made of BPA-free, healthy, durable, smell-free PP material, this Japanese bento box is safe for both adults and kids use. Dark blue appearance with luster looks high classic and attracting.
  • 【2 Tiers & Adjustable Compartments】- Top layer has 2 movable plate to divide it into 3 compartment, plus bottom layer, total 4 compartment keep food separated and no mixed taste, support a varied, well-balanced diet, perfect for daily meal or portion-control food.
  • 【Portable Bag and Cutlery】- We offer you an insulated lunch bag with a front pouch to carry the compartment lunch box and the cutlery box with same-color spoon, fork, chopstick inside. Lunch bag's internal heat insulating layer keeps food warm or cold.
  • 【Microwave Safe】- Except for 2 lids, all lunch containers for work are microwave safe. For longer time of use, we designed the stackable lunch box to be hand wash only, very easy to wash with smooth surface.
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#6 Top Pick
Bento Box Lunch Box with Upgraded Adjustable Strap, 2-Tier Japanese Bento Box Adult Stackable Leakproof BPA-Free 1200ml Lunch Containers with Cutlery Lunch Bag-White

Bento Box Lunch Box with Upgraded Adjustable Strap, 2-Tier Japanese Bento Box Adult Stackable Leakproof BPA-Free 1200ml Lunch Containers with Cutlery Lunch Bag-White

Brand: Acupteatech
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  • 🍀 Adjustable Strap & Leak-proof Box: This Lunch Box has the newly upgraded adjustable & elastic strap made of high quality cloth to hold the boxes(or box) stably and tightly. It will not become loosened even after long-time use. Also, with the ventilation cap and silicone lids, this lunch box is closed tightly and has great leak-proof performance.
  • 🍀 Safe & Healthy: This lunch bento box adopts high quality food grade PP materials( BPA Free) to ensure the highest standard safety. It has passed various strict safety tests, such as BSCI certification and Amazon quality management system audit.
  • 🍀 Portable & Easy to Use: Ideal for adults to take food to the office, for short trip, picnic or anywhere. Also it is safe for Microwave, dishwasher and freezer use. Importantly, THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER!
  • 🍀 Stylish & Practical Design: This lunch box is concise in color(high-end bamboo white), and practical in use (2-tiers with elastic strap and 1.2L High Capacity)and presents great sense of design, very unique and stylish. You’ll love it at first sight.
  • 🍀 Full Package Set Includes: 2-tiers bento box, elastic strap, ventilated lids, top cover, food divider, sauces container, cutlery set, white lunch bag. You can use single one tier box or both 2-tire boxes as you like.
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#7 Top Pick
DAITET Leak-Proof Lunch Box Stainless Steel Bento Lunch Food Box Container with Removable Dividers Stainless Lid Lunch Box with Compartments Large Single Layer Rectangular Lunchbox(47oz)

DAITET Leak-Proof Lunch Box Stainless Steel Bento Lunch Food Box Container with Removable Dividers Stainless Lid Lunch Box with Compartments Large Single Layer Rectangular Lunchbox(47oz)

Brand: DAITET
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  • 1、Large capacity– 7.95*5.51*2.6 inches 1400ml with NO compartments.
  • 2、The compartments inside are NOT sealed from each other due to their manufacturing technique. Clip lock & silicone ring seal, double leak-proof protection. Comes With Adjustable Divider.The lids is watertight,but dividers isn’t watertight be sure to pack only dry foods.It's not suitable for holding liquids between the compartments.
  • 3、The food container box is dishwasher safe, or you can hand wash.However, to extend the life of this product and finishes, hand-washing is recommended.
  • 4、This stainless steel lunch box container is designed with lock clips and a removable silicone seal, which could keep your food fresh and won't leak out and designed with locking clips.
  • 5、Please note this Bento box is not microwave safe.
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#8 Top Pick
UHAPEER 2 Tier Lunch Box Bento Box with Lunch Bag | Cutlery, Bento Lunch Boxes with Adjustable Compartments for Adults and Kids, Portable Leakproof Food Container Lunchbox for Work and School

UHAPEER 2 Tier Lunch Box Bento Box with Lunch Bag | Cutlery, Bento Lunch Boxes with Adjustable Compartments for Adults and Kids, Portable Leakproof Food Container Lunchbox for Work and School

Brand: UHAPEER
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  • 【Lunchbox with Soup Jar】- Buy once and get everything you need: Bento box, soup jar, cutlery box, spoon, fork, chopstick. The 350ml breakfast cup yogurt jar stores porridge, soup, fruit, oat, cereal, cake, enrich your meal. Reusable Lunch box set is perfect for adults, kids to use at home, office, school, also for camping, picnic, party. Nice Gift idea also.
  • 【Food-grade Material】- Made of BPA-free, healthy, durable, smell-free PP material, this Japanese bento box is safe for both adults and kids use. Dark blue appearance with luster looks high classic and attracting.
  • 【2 Tiers & Adjustable Compartments】- Top layer has 2 movable plate to divide it into 3 compartment, plus bottom layer, total 4 compartment keep food separated and no mixed taste, support a varied, well-balanced diet, perfect for daily meal or portion-control food.
  • 【Portable Bag and Cutlery】- We offer you an insulated lunch bag with a front pouch to carry the compartment lunch box and the cutlery box with same-color spoon, fork, chopstick inside. Lunch bag's internal heat insulating layer keeps food warm or cold.
  • 【Microwave Safe】- Except for 2 lids, all lunch containers for work are microwave safe. For longer time of use, we designed the stackable lunch box to be hand wash only, very easy to wash with smooth surface.
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#9 Top Pick
Bentoheaven Premium Bento Box Adult Lunch Box with 2 Compartments (1200ml), Cutlery & Set of Chopsticks, Large Dip Container, Cute Black Japanese Bento Box, Rectangle, Microwavable (Symph-Onyx)

Bentoheaven Premium Bento Box Adult Lunch Box with 2 Compartments (1200ml), Cutlery & Set of Chopsticks, Large Dip Container, Cute Black Japanese Bento Box, Rectangle, Microwavable (Symph-Onyx)

Brand: Bentoheaven
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  • Your meals deserve a Premium Bento Box! It features 2 stackable compartments that hold 1200 ml., 2 silicone sealed lids, divider, dip container, chopsticks, fork, spoon, knife, and a sealing strap.
  • Leakproof Bento Lunch Box! The Bentoheaven lunch box’s strong silicone makes it 100% leak-proof, while remaining super easy to open due to the built-in air vent plug.
  • Dishwasher and Microwave-safe Bento Lunch Box for Adults & Kids! Made with lab-tested 100% BPA-free and food-grade materials, keeping your lunch both fresh & safe.
  • Recipe e-book inlcuded! To help you make the most out of your Japanese Lunch Box, you’ll get an e-book with 30 lunchbox recipes with healthy, nutritious meals.
  • Purchase with a Purpose: Your purchase allows us to support Feeding Australia in helping the millions in this country who struggle to afford high-quality food.
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#10 Top Pick
Fit & Fresh Collection Multi-Flex Bento Box with 2 Removeable Ice Packs, Adjustable Divided Meal Carrier Lunch Container, BPA-Free, 9.5" x 6" x 2.25", Red, Standard

Fit & Fresh Collection Multi-Flex Bento Box with 2 Removeable Ice Packs, Adjustable Divided Meal Carrier Lunch Container, BPA-Free, 9.5" x 6" x 2.25", Red, Standard

Brand: Fit & Fresh
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  • DYNAMIC DESIGN FOR LUNCH VARIETY: The lunch combos are endless! Whether you’re packing a gourmet lunch or an easy sandwich with veggies and chips, this vertical bento box with an adjustable divider is a lunchtime necessity! Create a traditional three-compartment bento or customize the layout by rearranging the dividers. If you’re into a wide variety of food and changing up your meal prep routine each day, then look no further! Not recommended for liquids.
  • AWESOME EVERYDAY USE: Make lunch your way! Whether you’re prepping lunch for work, packing picnic sandwiches, or gearing up for a road trip, this bento kit is perfect for every occasion. Measuring at 9.5” x 6” x 2.25”, it’s compact enough to fit in your bag, insulated lunch bag, lunch box, sports or beach cooler, hiking tote, and much more!
  • INCLUDES TWO REMOVABLE ICE PACKS: Fruits or veggies will never wilt! The slim ice packs conveniently clip under the lunch container's lid – directly insulating your food. Lunch stays extra fresh so you can savor each delicious bite! These BPA-free and non-toxic ice packs are reusable, just twist the lid to easily remove them. Best practices include freezing them overnight before next day use to maximize cooling power!
  • EASY CARE AND MAINTENANCE: Say goodbye to plastic baggies and squished meals! Foods stay intact in this non-toxic, BPA-free bento box that is microwave, freezer, and top-shelf dishwasher safe. Effortless to reheat: pop leftovers or prepped meals in the microwave. This lunch kit is easy to clean and even better for creating lunch your way!
  • DESIGNED BY FIT + FRESH: Based in Providence, RI, Fit + Fresh prides itself on creating functional and distinctive styles for adults. Our stylish, reusable lunch bags have long lasting durability and wide zippered openings – fitting for anyone on-the-go! Recommended for ages 12+
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