Which Lunch Bag Fits a b.box Lunchbox?
LUNCH BAG Buying Guide Β· 2026
If you've got a b.box lunchbox and you're not sure which insulated lunch bag it'll actually fit into, here's the full list, plus exact dimensions and a quick video walkthrough.
- b.box lunchbox dimensions
- Video: does it fit?
- Lunch bags that fit a b.box
- Lunch bags that don't fit
- How to pick the right one
- FAQs
The b.box Whole Foods lunchbox is one of the most popular bento-style lunchboxes for Australian kids, but it doesn't come with its own insulation, so getting the right lunch bag matters. Below is the exact size to check against, a quick video guide, and every lunch bag currently confirmed to fit.
B.box lunchbox dimensions
Before choosing a lunch bag, it helps to know exactly what you're fitting. The b.box Whole Foods lunchbox measures:
Any insulated lunch bag with clearance close to these measurements, with a little extra room for an ice pack, will fit the b.box comfortably.
Watch: does your lunch bag fit a b.box?
Here's a quick video showing the b.box lunchbox being tested inside a few of the most popular lunch bags below.
Does it fit? A quick reference table
Here's every bag we get asked about, at a glance, so you can check before you buy.
| Lunch bag | Fits b.box? |
|---|---|
| MontiiCo Insulated Lunch Bag, Large | β |
| Little Renegade Company Insulated Lunch Bag, Large | β |
| Ecococoon Insulated Lunch Bag | β |
| b.box Flexi Lunch Bag | β |
| Sachi Insulated Junior Tote | β |
| Sachi Explorer Insulated Lunch Bag | β |
| Sachi Junior Lunch Tote, XL | β |
| The Somewhere Co Mini Lunch Case | β |
| Bentgo Kids Lunch Bag | β |
| Kinnder Insulated Lunch Bag, Large | β |
| Kollab Bento Bag | β |
| Spencil Big Cooler Lunch Bag | β |
| SoYoung | β |
| Green Essentials | β |
| MontiiCo Medium, Mini or Lunch Carrier | β |
| Kollab Lunch Box | β |
| Kinnder Mini | β |
| The Little Renegade Company Mini | β |
How to pick the right one for your child
All 11 bags above will physically fit a b.box lunchbox, but the right one for you usually comes down to a few extra factors.
For daily school use
Look for a bag with a wipeable lining and a sturdy zip, the MontiiCo and Kinnder bags are built for everyday wear.
For extra insulation
If you're packing food that need to keep extra chilled, choose a larger bag with dedicated ice pack space, like theΒ Sachi XL or Spencil Big Cooler.
For younger kids
Smaller hands do best with a compact carry option like The Somewhere Co Mini Lunch Case or Bentgo Kids Lunch Bag.
For matching sets
Pair the b.box Flexi Lunch Bag or Kollab Bento Bag for a colour-matched, brand-consistent set.
Frequently asked questions
Which lunch bag fits a b.box lunchbox?
Several insulated lunch bags fit the b.box Whole Foods lunchbox, including the MontiiCo Insulated Lunch Bag, Sachi Explorer, Little Renegade Company Insulated Lunch Bag, and the b.box Flexi Lunch Bag itself, see the full list above.
What are the dimensions of the b.box Whole Foods lunchbox?
The b.box Whole Foods lunchbox measures 235mm (h) x 215mm (w) x 65mm (d).
Is the b.box lunchbox insulated on its own?
No, the b.box lunchbox itself isn't insulated, pairing it with an insulated lunch bag helps keep food cold for longer, especially in warmer months.
Can I fit an ice pack in a lunch bag with a b.box lunchbox?
Yes, most of the bags on this list, particularly the Sachi Explorer and Spencil Big Cooler Lunch Bag, have enough room for a slim ice pack alongside the b.box lunchbox.
What is the best lunch bag for a b.box lunchbox?
The best fit depends on your child's age and how much insulation you need. For everyday school use, the MontiiCo Insulated Lunch Bag is one of the most popular choices; for smaller kids, The Somewhere Co Mini Lunch Case is easier to carry.
Does the b.box lunchbox fit in the MontiiCo Mini or Medium bag?
No, the b.box Whole Foods lunchbox only fits the Large MontiiCo Insulated Lunch Bag. The Mini, Medium and Lunch Carrier sizes are too small, along with the SoYoung, Green Essentials, Kollab Lunch Box, Kinnder Mini, and Little Renegade Company Mini.
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