monbento MB Square Large Bento Lunch Box - Leakproof Two-Tier

In this review of the monbento MB Square large bento lunch box, the bottom line is simple: this is an excellent choice for anyone who needs a roomy, leakproof meal container for work, picnics, or meal prep. The two-tier design with a separate 10.5 floz food cup and airtight intermediate lids makes it especially useful for packed lunches that include sauces or wet components. Build quality and thoughtful French design stand out, and while the lids can be snug to remove at first, the overall capacity and cleaning convenience make it a practical daily carrier.

Key Features

• Two-tier capacity: The 57.5 floz total volume gives two roomy compartments (about 29 floz each), so you can carry a full meal without squashing items.
• Included food cup: A 10.5 floz cup keeps sauces and toppings separate and prevents soggy salads or spilled dressings in transit.
• Leakproof seals: Intermediate lids include silicone seals and an elastic band to keep each tier airtight and reduce spills in bags.
• Durable materials: Made from strong PP plastic and BPA-free as regulated, it withstands everyday handling and is lightweight for commuting.
• Easy care: Microwave, dishwasher and freezer safe for flexible meal prep and reheating without transferring food to another dish.
• Accessory compatibility: Works with monbento accessories so users can add cutlery, sauce pots, insulated bags or bottles sold separately.

Who It's For

The MB Square is ideal for people who pack full meals for work, school or outdoor days and want a compact solution that still holds distinct portions. It suits those who value airtight seals to keep dressings or wet sides separate and who sometimes reheat food in a microwave or stash meals in the freezer.

It may be less suitable for users who need single-click lid removal or very soft plastics, since some find the lids secure enough to require a firm grip. Also, if you need metal containers or completely rigid nonplastic construction, a different material choice would be better.

Pros & Cons

Pros

• Spacious two-tier layout accommodates a full meal and extras without mixing flavors.
• Included 10.5 floz food cup adds practical separation for sauces and small sides.
• Microwave, dishwasher and freezer safe for flexible use and simple cleaning.
• Well designed and durable PP construction with airtight silicone seals prevents leaks.

Cons

• Lids are very secure and can be difficult to remove for some users until they get used to the tabs.
• Plastic may show wear or slight warping over long-term heavy use, according to some customers.

Specifications

Brand	monbento
Model	MB Square
Total capacity	57.5 floz (approx)
Compartment capacity	29 floz each
Food cup	10.5 floz included
Materials	BPA-free polypropylene (PP) with silicone seals
Care	Microwave, dishwasher and freezer safe

Our Verdict

The monbento MB Square is a solid, well thought-out lunch box for anyone who packs complete meals and values leakproof separation and easy reheating. It delivers good capacity, versatile use and durable construction for the price, making it a smart purchase for commuters, students and picnickers who need a reliable everyday container.

Frequently Asked Questions

Is the MB Square leakproof?
Yes, the intermediate lids use silicone seals and the elastic band keeps tiers tight, preventing most leaks when lids are secured.

Can it go in the dishwasher and microwave?
Yes, the MB Square is labeled microwave, dishwasher and freezer safe for convenience.

Does it include a separate sauce pot?
Yes, it includes a 10.5 floz food cup for sauces or small sides; additional monbento accessories are compatible but sold separately.