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Bentgo MicroSteel Leak-Proof Bento Lunch Box, Microwave & Oven-Safe

  • Based on 730 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Sep 8
Order within 23 hours and 56 minutes
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Color: Gold


Features

  • Innovative MicroSteel Technology: Designed to safely heat stainless steel in the microwave, MicroSteel lets you reheat meals right in the lunch boxno transfers needed. Perfect for storing hot or cold meals, its an all-in-one solution for meal prep, leftovers, and everyday food storage.
  • Airtight & Leak-Proof Design: The airtight lid with a secure silicone seal helps keep food fresh while preventing spills in bags, totes, or backpacks. Perfect for workdays, travel, and on-the-go meals without the mess.
  • Easy-Open Valve: Lift the silicone venting valve before opening to release internal pressure after heating. This helps the lid remove more easily, reduces the force needed to open, and supports a smoother, spill-free experience.
  • Easy to Clean & Made to Last: Made with durable, food-grade, BPA- and PFAS-free materials you can feel good about. Top-rack dishwasher-safe for easy cleanup, though hand washing the lid is recommended to help maintain the airtight seal over time.
  • Customizable Compartments & 5-Cup Capacity: Removable divider creates flexible sections for portion control, snacks, or full meals. Holds up to 5 cups, making it easy to pack balanced lunches or store leftovers. Designed for ages 13+.

Description

MicroSteel Lunch Box Heat & Eat Container Insulated Food Container Glass Salad Container Adult Bento Lunch Box

Brand: Bentgo


Color: Gold


Material: Single Wall Food-Grade Safe 18/8 Stainless Steel


Material Feature: Microwave Safe, Dishwasher Safe


Capacity: 5 cups


Material Type: Single Wall Food-Grade Safe 18/8 Stainless Steel


Material Features: Microwave Safe, Dishwasher Safe


Material Type Free: BPA Free


Product Care Instructions: Dishwasher Safe


Brand Name: Bentgo


Recommended Uses For Product: Fresh


Item Form: Lidded container with optional divider


Manufacturer: Bentgo


Global Trade Identification Number: 72


UPC: 817387024372


Capacity: 5 cups


Item Dimensions L x W x H: 8"L x 6"W x 2"H


Package Quantity: 1


Item Weight: 0.4 kg


Item Volume: 1200 ml


Unit Count: 1 Count


Other Special Features of the Product: Durable, Microwave Safe, Oven Safe


Closure Type: Snap


Color: Gold


Container Shape: Rectangular


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Sep 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews


  • Good with Peves
Color: Carbon Black
While the bento box is a excellent product and very easy to use I do have a few pet peeves, one it that the lid can’t be washed in the dishwasher which would make cleaning easier, and the box is barely two months old and the paint is peeling off. Other than that good product and recommend for lunch prep. ... show more
Reviewed in the United States on July 6, 2026 by Raidriark

  • Food never heats up
Color: Aqua
I never write reviews but here goes. I feel like Bentgo needs me to make their stuff better. Yes, it's leak proof, and yes, it is microwaveable. Microwaveable in that it doesn't explode the microwave when you put the metal container in. But I just heated up a can of soup in the container for 9 minutes in the microwave and it's still luke warm. And, as others have said, the top is very difficult to remove, and end up spilling food on yourself or the counter, or at the very least, on your hands. I've had similar frustrations with other Bentgo products. Feels like they have good ideas, but they must not have any actual user testing. ... show more
Reviewed in the United States on January 28, 2026 by Footie

  • My new favorite lunch box
Color: Stainless Steel
I like the fact that this can be used in the microwave. I wanted to get away from reheating stuff in plastic in the microwave when I take lunch to work. Glass is too heavy and fragile. The metal is lighter. It does seem to heat up differently in metal though. But it's just something that you need to learn. It doesn't say on the description, but you shouldn't use this in a microwave over 1000 W. I just reduce the power on the settings and haven't had any issues so far. I can see how it might be a little difficult to open, but that's why I haven't had any leaks so far. Another plus is that metal is so much easier to clean than plastic since plastic is a pain to clean if you have anything oily in there. ... show more
Reviewed in the United States on March 18, 2026 by Moose

  • Stylish Lunch Box, Best for Single Dishes
Color: Rose Gold
Verdict: Stylish, non-plastic, and microwave/oven-safe—great ideas on paper—but in daily use the single removable divider felt limiting, and the rose-gold finish started to come off in washing. We ultimately prefer Bentgo’s multi-container setups for flexibility. What we liked Not plastic: The MicroSteel build is a win for anyone trying to cut down on plastic. It feels sturdy and doesn’t hold odors. Microwave & oven safe (minus lid): Being able to reheat right in the container is genuinely useful for office or school lunches. Leak-resistant lid: With the lid seated correctly, we didn’t see liquid slosh in a backpack or tote. What fell short Color wear: After normal hand-washing and dishwashing, the rose-gold color/finish showed noticeable wear. If the look is a major draw, expect cosmetic aging sooner than you’d hope. Divider vs. true bento: The single interior spacer doesn’t replace multiple compartments. Compared with our multi-container Bentgo box, we had less freedom to separate wet/dry or keep flavors apart. Portioning flexibility: That lone divider only creates two zones, and it can shift. If you pack varied lunches (salad + protein + snack), you’ll likely miss dedicated compartments. Day-to-day experience Capacity is fine for a standard lunch, and reheating is straightforward—just remove the lid. Cleaning is easy, but to preserve the exterior you’ll want gentle hand-washing; even then, our finish still lightened over time. The gasket seals well, but avoid overfilling saucy dishes; as with most lunch boxes, perfect “leak-proof” depends on careful packing. Bottom line If your priorities are non-plastic construction and microwave/oven reheat, the MicroSteel checks key boxes. But if you rely on classic bento flexibility, the single divider is a downgrade from Bentgo’s multi-container options. For us, the finish wear and limited compartmentalization tip the scales toward Bentgo’s multi-container models instead. ... show more
Reviewed in the United States on October 25, 2025 by Matt

  • Nice lunch box
Color: Stainless Steel
Great lunch box. Looks nice and is a good size.
Reviewed in the United States on August 26, 2026 by Customer

  • Love the idea, get a different brand…
Color: Stainless Steel
Love the material, divider works great, hate whatever coating is on it. It started peeling off after just a few uses. Would like it a lot better with no coating.
Reviewed in the United States on May 6, 2026 by Kelly

  • great lunch container
Color: Carbon Black
awesome microwave safe lunch container! packed pasta in it and put it inside the microwave for about 3 minuets and had no issues. i love it so much :)
Reviewed in the United States on August 11, 2026 by robin liam

  • Not fully recommended
Color: Stainless Steel
After extensive research on stainless steel lunch containers that can microwavable, I landed on trying this one. It was affordable, size seemed appropriate for an adult lunch, and it was stainless steal with no plastic. It works as intended, however, after almost 2 months of owning this product, like the other reviewers reported, the plastic film is coming off. I submitted a warranty claim directly to Bentgo, but will see what happens. I will update this review when I hear back. ... show more
Reviewed in the United States on April 4, 2026 by Swim

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