Lunch Box Size Guide

Ultimate Lunch Box Size & Capacity Guide for Aussie Families

Not sure which lunch box is the right size for your child? Whether you are packing school lunches, daycare snacks, or on-the-go meals, finding the perfect fit makes all the difference. That’s why we have created this handy guide to help you compare the capacity of popular kid's lunch boxes and food jars – all mum-tested and lunchbox-approved!

From kindy-sized snack boxes to big lunch bento boxes for growing appetites, we have got all the info in one easy place.

B.box Lunch Box Sizes (BPA-free, leakproof sections, easy to open so perfect for little hands)

• B.box Original / Large Lunch Box – Holds up to 8 cups of food

• B.box Mini Lunch Box – Holds up to 4 cups of food

• B.box Snack Box – Holds up to 2 cups of food

Yumbox Lunch Box Sizes (Leakproof lids & perfect portion control)

• Yumbox Tapas – Holds up to 4 cups

• Yumbox Panino – Holds up to 3.5 cups

• Yumbox Original 6-Compartment – Holds up to 3.5 cups

• Yumbox Presto (Stainless) – Holds up to 3.5 cups

• Yumbox Snack Box – Holds up to 1.5 cups

MontiiCo Sizes (Fun colours, *Leakproof Aussie-designed!)

• Bento 3 – Holds approx. 980ml 

• Bento 5 – Holds approx. 980ml

• Bento 2 – Holds approx. 500ml

• Bento 3+ – Holds approx. 1300ml

• Feast Box-Holds approximately.  8 cups of Food (Fits whole foods) 

Food Jar Capacities (Perfect for warm lunches & leftovers)

• B.box Food Jar Mini – 210ml

• B.box Food Jar Original – 335ml

• MontiiCo Food Jar – 400ml

• MontiiCo Mini Jar - 200ml ( This fits inside the large B.box andFeast box  perfectly)
• Oasis quick release Food Flask - 300ml 

How to Choose the Right Size

• For Kindy & Small Appetites: Bbox Mini with Bbox snack box or MontiiCo Bento 2

• For Prep to Primary: Yumbox Tapas, B.box Original, Feast Box

• For Bigger Appetites:B.box Original, Feast Box plus a snack box

•  For Hot Meals: Pair a food jar with a snack box for a flexible, filling lunch

💬 Still not sure which one to choose?

We are here to help! All of our products have been tried and tested by real Aussie families, including our own. If you need personalised advice, just email us at info@coastalkidswear.com.au or pm on Facebook or instagram – we love chatting lunchboxes!

📦 Explore the full range and find your perfect fit today. Happy lunch packing!