Best Kids' Adjustable Lunch Boxes of 2025

Rebecca Cantu Avatar
Rebecca Cantu
Last Updated: Jan 2, 2025

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Looking for a lunch box that can grow with your child? Kids' adjustable lunch boxes may be just what you need. These lunch boxes are designed to be flexible, with removable compartments and adjustable straps that can be resized as your child grows. With a variety of fun colors and designs, these lunch boxes are perfect for kids of all ages. And because they're durable and easy to clean, they'll last for years to come. Whether your child is just starting school or heading off to college, a kids' adjustable lunch box is a smart choice for any parent.

At a Glance: Our Top Picks

Spongebob Squarepants Glitter Kids Meal Box With Adjustable Strap and Three Metal Charms Cover #TOP 1
Spongebob Squarepants Glitter Kids Meal Box With Adjustable Strap and Three Metal Charms
ftb score rating icon 9.8
Bentgo Kids Chill Lunch Box Cover #TOP 2
Bentgo Kids Chill Lunch Box
ftb score rating icon 9.7
Munchkin Bento Lunch Box for Toddlers and Kids Cover #TOP 3
Munchkin Bento Lunch Box for Toddlers and Kids
ftb score rating icon 9.5

Top 10 Kids' Adjustable Lunch Boxes

#TOP 1

Spongebob Squarepants Glitter Kids Meal Box With Adjustable Strap and Three Metal Charms

LBF6CQPSPOPP00
Multicolor
OSFA
Spongebob Squarepants Glitter Kids Meal Box With Adjustable Strap and Three Metal Charms Cover
Spongebob Squarepants Glitter Kids Meal Box With Adjustable Strap and Three Metal Charms

Features
PERFECT DIMENSIONS: With A Size Of 8.2"w X 8.6"h X 5.1"d, This Kids Meal Box Strikes The Ideal Balance Between Spacious And Portable. It's Perfect For Storing Toys, Snacks, And Treasures, Making It A Versatile Accessory For Little Ones On The Go.
CUSTOM DESIGN: Immerse Your Child In The Whimsical World Of Bikini Bottom With This Officially Licensed Spongebob Squarepants Kids Meal Box. Designed To Look Like A Krusty Krab Kiddie Meal, This Custom Creation Features Glitter Polyurethane And A Printed Lining Adorned With Spongebob And Friends.
OFFICIALLY LICENSED: Embrace Authenticity With Our Officially Licensed Spongebob Squarepants Kids Meal Box. This Means Your Child Gets To Enjoy The Genuine Magic Of Bikini Bottom, Complete With Vibrant Characters And Designs Straight From The Beloved Animated Series.
DOUBLE MAGNETIC TOP HANDLE: Ensure The Safety Of Your Child's Belongings With The Double Magnetic Top Handle. This Innovative Feature Provides A Secure Closure, Keeping Everything Inside The Box Intact, Whether It's A Collection Of Toys Or A Stash Of Delicious Snacks.
CARE INSTRUCTIONS: To Keep Your Spongebob Squarepants Kids Meal Box Looking As Good As New, Simply Wipe It Clean With A Damp Cloth As Needed.

Bentgo Kids Chill Lunch Box

BGOCHL-VO
Bentgo Kids Chill Lunch Box Cover
Bentgo Kids Chill Leak-Proof Lunch Box - Included Reusable Ice Pack Keeps Food Cold; 4-Compt. Bento Box; Microwave/Dishwasher Safe; 2 Year Manufacturer's Warranty (Confetti Edition - Vivid Orchid)

The Bentgo Kids Chill Lunch Box is a convenient and versatile lunch box for kids. It features a unique, patented design with a removable ice pack that keeps food cool longer, eliminating the need for extra ice packs. The leak-proof technology ensures that meals and snacks stay fresh and mess-free, making it perfect for school, camp, or daycare. The 4-compartment tray is ideal for picky eaters as it keeps food separate and allows parents to pack a variety of options. The durable outer shell with a rubberized edge resists drops and cracks, making it suitable for active kids on the go. This lunch box is made of BPA-free materials and is easy to clean, making it a favorite among both parents and kids. For every purchase, Bentgo supports Feed the Children, a nonprofit organization fighting against hunger.

What We Like
Durable and leak-proof
Keeps food cool longer
4-compartment tray for variety
#TOP 3

Munchkin Bento Lunch Box for Toddlers and Kids

17949
Green
1 Count (Pack of 1)
Munchkin Bento Lunch Box for Toddlers and Kids Cover
Munchkin® Lunch™ Bento Box for Kids, Includes Utensils, Green

The Munchkin Bento Lunch Box is a colorful and practical solution for parents looking to pack healthy and balanced meals for their toddlers and kids. With 5 compartments, this Bento box allows you to pack a variety of foods without worrying about them touching. The box comes with stainless steel toddler utensils that snap directly to the lid for easy storage. The durable and kid-friendly design includes a handle for easy carrying. Plus, it's dishwasher safe and BPA-free, making it a convenient and safe option for parents.

What We Like
Includes stainless steel toddler utensils that snap directly to lid for easy storage
5 compartments let you pack a balanced meal with ease
Durable, kid-friendly design complete with a handle
#TOP 4

Bentgo® Kids 5-Compartment Bento-Style Lunch Box

BGOKIDS-B
Blue
Age 3 to 7 Years
Bentgo® Kids 5-Compartment Bento-Style Lunch Box Cover
Bentgo Kids Bento-Style 5-Compartment Leak-Proof Lunch Box - Ideal Portion Sizes for Ages 3 to 7 - Durable, Drop-Proof, Dishwasher Safe, BPA-Free, & Made with Food-Safe Materials (Blue)

Bentgo® Kids is a leak-proof, durable, and drop-proof lunch box designed for kids aged 3-7. It has 5 compartments that are perfectly portioned for a child's appetite, encouraging a healthy and balanced meal. The 2 kid-friendly latches are easy for small hands to open and close, and the rubber-coated edges are durable and slip-proof. The lunch box is microwave and dishwasher-safe, and made with BPA-free, food-safe materials. Bentgo® Kids is also a proud supporter of Feed the Children, a nonprofit that helps provide resources for hungry children and families.

What We Like
Leak-proof technology keeps meals and snacks fresh and mess-free during transport
Drop-proof design with durable, rubber-coated edges protects the lunch box when dropped, making it ideal for active kids on the go
Microwave and dishwasher-safe, making it easy to reheat food and clean up after meals
#TOP 5

Bentgo Kids Prints Lunch Box

BGKDPT-CNS
Construction Trucks
Bentgo Kids Prints Lunch Box Cover
Bentgo Kids Prints Leak-Proof, 5-Compartment Bento-Style Kids Lunch Box - Ideal Portion Sizes for Ages 3-7, Durable, Drop-Proof, Dishwasher Safe, & Made with BPA-Free Materials (Construction Trucks)

Bentgo Kids Lunch Box is the ideal lunchbox for children aged 3 to 7. With its fun prints and patterns, it showcases your child's personality while providing a balanced and healthy meal. The 5 practical compartments are perfectly portioned for a child's appetite. The leak-proof technology keeps meals and snacks fresh and mess-free during transport, thanks to the easy-to-open and close kid-friendly latches. The drop-proof design, with its durable, rubber-coated edges, makes it slip and slide proof, protecting the lunch box even when dropped. Made with BPA-free, food-safe materials, it is microwave and dishwasher-safe for easy reheating and cleaning. By purchasing this lunch box, you are also supporting Feed the Children, a nonprofit organization that helps fight hunger.

What We Like
Leak-proof technology
Drop-proof design
Microwave and dishwasher-safe
#TOP 6

Bigfoot Kids Lunch Boxes, Sasquatch Insulated Lunch Bag for Kids with Adjustable Shoulder Strap and Water Bottle Holder

LUNCH BOX
Bigfoot-0
one size
Bigfoot Kids Lunch Boxes, Sasquatch Insulated Lunch Bag for Kids with Adjustable Shoulder Strap and Water Bottle Holder Cover
Bigfoot Kids Lunch Boxes, Sasquatch Insulated Lunch Bag for Kids with Adjustable Shoulder Strap and Water Bottle Holder, Reusable School Lunch Box for Boys and Girls

Features
[Lunch Bag Design] Each Portable,compact, Lightweight Lunch Pail Can Hold A Good-Sized Container With Plenty Of Room For Snacks, Utensils And Juice Boxes. A Handy Inner Mesh Pouch Perfect For Napkins And Utensils. There Is Also A Water Bottle Holder On The Left Side, A Carry Webbing On The Top And A Detachable Buckle Handle To Tie The Lunch Bag To Any Backpack And Suitcase For Your Convenience.
[Large Capacity] Lunch Bag Size Is 10.5 X 9.5 X 3.5 Inch. The Kids Lunch Box Is Designed With Waterproof Polyester Fabric On The Outer Layer, Inner Lining Is Made Of Food-Grade EVA. Easy To Keep Your Food Warm Or Cold For Up To 4-6 Hours. One Side Pockets And Inner Pocket, Enough For Kids' Or An Adult's Hearty Lunch And Drink. Perfect For Age3+ Kids And On-The-Go Parents.
[Leakproof & Waterproof] The Lining Is Made Of EVA And PE Cotton, Which Is Easy To Clean In The Inevitable Overflow Situation. You Only Need To Wipe With A Paper Towel Or A Rag To Clean It If The Soup Of The Food Leaks Into The Insulated Interior Lining. And You Can Put In A Lot Of Ice Pack Without Worrying About Leaking Out.
[Best Gifts] PVC, BPA And Phthalate-Free. Reusable Insulated Lunch Box Is Perfect Gift For All Your Loved Ones And For Every Occasion. Perfect For Boys, Girls, Also A Wonderful Gift For Birthdays, Christmas, New Year And Any Important Holiday.
[Applicable Scenes] You Can Use It As A Lunch Bag, Shopping Bags, Picnic Bags, In Addition To Universal Lunch Bag Is Not Only Suitable For Offices And Universities, But Also Ideal For Outdoor Sports When Going To The Office Day Trips Beach Picnics, Etc. Suitable For Various Scenarios. The Lunch Bucket Is Also Foldable, So You Can Easily Store It Away When You're Not Using It. It Is Suitable For Fitting Into Backpack .

Bentgo® Pop Leak-Proof Bento-Style Lunch Box

BGOPOP-NB
Bentgo® Pop Leak-Proof Bento-Style Lunch Box Cover
Bentgo Pop - Leak-Proof Lunch Box & Removable Divider for Ages 8+ & Teens - Lunch Container Holds 5 Cups of Food; 3-4 Compartments; Microwave/Dishwasher Safe; 2 Year Warranty (Navy Blue/Chartreuse)

The Bentgo® Pop Leak-Proof Bento-Style Lunch Box has a contoured lid that perfectly seals each compartment to prevent leaks, lock in freshness, and keep lunch bags mess-free. It holds 5 cups of food, which is 2 times bigger than the popular Bentgo Kids Lunch Box, and the removable divider creates an optional 4th compartment. It is ideal for big kids and teens who want to bring a pop of color to school, the cafeteria, and more. Bentgo is a proud supporter of Feed the Children and has donated more than $200,000 to help put an end to hunger.

What We Like
Contoured lid prevents leaks and keeps lunch bags mess-free
Removable divider creates an optional 4th compartment
Holds 5 cups of food, 2 times bigger than popular Bentgo Kids Lunch Box
Supports Feed the Children with over $200,000 in donations
Industry-leading 2 Year Warranty
#TOP 8

Bentgo Fresh – 4-Compartment Lunch Box with Removable Divider

BGOFR-2B
Blue
1 EA
Bentgo Fresh – 4-Compartment Lunch Box with Removable Divider Cover
Bentgo Fresh – Leak-Proof, Versatile 4-Compartment Bento-Style Lunch Box with Removable Divider, Portion-Controlled Meals for Teens and Adults On-The-Go – BPA-Free, Food-Safe Materials (Blue)

Bentgo Fresh is a versatile, leak-proof 4-compartment bento-style lunch box with removable divider, perfect for packing balanced meals for teens and adults on-the-go. Each compartment is portioned perfectly to feed the appetite of both older children and adults. The 3-compartment structure can be kept as-is to pack larger main courses or add the optional divider to create 4 compartments. Made with food-safe materials, this lunch box is BPA-free and comes with a 2-year warranty and caring customer support.

What We Like
Built-in portion control
Leak-proof compartment tray
Customizable compartments
Purchase with a purpose
2-year warranty and customer support
#TOP 9

Thermos Novelty Soft Lunch Kit, Firetruck

N47265006M
4 x 10 x 7 inches
Thermos Novelty Soft Lunch Kit, Firetruck Cover
Thermos Novelty Soft Lunch Kit, Firetruck, 4 x 10 x 7 inches

Pack your child's lunch in this Thermos firetruck lunch kit to reduce waste and save money. It is 100% PVC-free with PEVA linings and features superior quality closed-cell polyethylene foam insulation. The kit zips open and has a comfortable carrying handle. Suitable for ages 5 and up.

What We Like
Reduces waste and saves money
100% PVC-free with PEVA linings
Superior quality closed-cell polyethylene foam insulation
Zips open and has a comfortable carrying handle
Suitable for ages 5 and up
#TOP 10

Simple Modern Bento Lunch Box

PBB-5-MB
-Midnight Black
30oz Bento Box
Simple Modern Bento Lunch Box Cover
Simple Modern Bento Lunch Box for Kids | BPA Free, Leakproof, Dishwasher Safe | Lunch Container for Boys, Toddlers | Porter Collection | 5 Compartments | Midnight Black

Features
Dishwasher Safe: Removable Insert And Silicone Seal Are Top Rack Safe
Easy To Pack: Five Compartment Insert Makes It Easy To Prep Balanced Portion Meals
Limited Lifetime Warranty & Pat/Pat Pending
Leakproof: Lockable Push-In Snap Secures The Lid To Prevent Leaks
Durable: Case And Insert Are Made Of Durable BPA-Free Plastic
Buying Guide Image
Editor's Notes

During our kids' adjustable lunch boxes research, we found 24 kids' adjustable lunch boxes products and shortlisted 10 quality products. We collected and analyzed 669,662 customer reviews through our big data system to write the kids' adjustable lunch boxes list. We found that most customers choose kids' adjustable lunch boxes with an average price of $20.25.

The kids' adjustable lunch boxes are available for purchase. We have researched hundreds of brands and picked the top brands of kids' adjustable lunch boxes, including Bioworld, Bentgo, Munchkin, Bardic, THERMOS. The seller of top 1 product has received honest feedback from 4,948 consumers with an average rating of 4.8.

Written by
Rebecca Cantu Avatar

Rebecca Cantu grew up in a family-owned retail store for home and kitchen products. She worked online and gave assistance to people to buy ideal products for their sweet home after graduating from Northwestern University with a marketing degree. She has been writing content for online shopping guides since 2011 with her professional knowledge and natural sensitivity of appliances.