Misenware Food Storage Containers Review: I Tested Every Claim

In 2026, Misen launched its new Misenware food storage containers on Kickstarter with a long list of bold claims. 

The company says these stainless steel containers are unbreakable, leakproof, microwave safe, freezer safe, oven safe, grill safe, and built to last a lifetime. Those promises led to more than $2.7 million in preorders from nearly 19,000 people.

To see if the Misenware containers actually live up to the hype, I tested each claim one by one.

I put them in the microwave, freezer, oven, and on the grill. I shook and dropped them to see if they’re actually leakproof. I tested for stains and odors. I ran them through the dishwasher over a dozen times and opened and closed the same lid 300 times to see if the seal, silicone, or vent would loosen or break.

Finally, I pushed the durability claim to the limit by dropping a container onto pavement from chest height and out of a second-story window.

In this Misenware review, I’ll reveal which claims held up, which ones didn’t, and what you need to know before buying these food storage containers.

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Use the links below to navigate the review:

• Claim 1: Smarter Design
• Claim 2: Microwave Safe
• Claim 3: Leakproof
• Claim 4: Oven, Grill & Freezer Safe
• Claim 5: Won’t Stain or Hold Odors
• Claim 6: Built to Last
• Bottom Line: Are Misenware Food Storage Containers Worth It?

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Claim 1: Smarter Design

One of the biggest problems with food storage containers is that they don’t stack well, the lids are all different sizes, and your cabinet ends up looking like a mess.

Misen claims to fix that problem with universal lids and containers that can nest in any order without jamming. And their claims are true.

Misenware comes in three sizes: small, medium, and large. The small holds 700 mL (2.95 cups), the medium holds 1,100 mL (4.64 cups), and the large holds 1,500 mL (6.34 cups).

The containers are made of stainless steel, and the lids combine tempered glass with a silicone rim and vent.

One of the most important design choices is that all three containers have essentially the same footprint and opening. I measured them from rim to rim at about 7.9 inches long and 5.4 inches wide, which was very close to Misen’s published dimensions.

Because the openings are the same size, every lid fits every container. I tested all of the lids on all three sizes, and every combination fit and sealed properly.

I also stacked the containers in every order possible and couldn’t get them to jam. They were a little stuck together when I first unboxed them because of the packing paper, but after I removed that, it wasn’t an issue.

The lids stack neatly on top, and because the containers nest so tightly, the whole set takes up very little space.

The stainless steel bodies are also significantly lighter than comparable glass containers. The large Misenware container weighs 1 pound 0.5 ounces without the lid, while a similarly sized 6-cup Pyrex Snapware glass container weighs 1 pound 13.5 ounces.

Misenware’s tempered glass lid is heavier than a typical plastic lid, so the difference isn’t quite as large once the lids are added. Still, the large Misenware weighs 1 pound 9.6 ounces with its lid compared to 2 pounds 1.9 ounces for the Snapware.

One downside of stainless steel is that you can’t see through the sides, so if the container is higher up in the fridge, you can’t see what’s inside.

Misen’s solution is that you can write directly on them, and it works. I used a dry-erase marker, left it in the fridge for six hours, and it wiped completely clean with a damp paper towel.

The containers also have measuring marks etched into the inside, with cups and ounces on one side and milliliters on the other. I put each container on a scale and added water to the marked levels, and the measurements were accurate in my testing.

The curved lip also makes pouring easier. I tested pouring from the wide side, narrow side, and corner. All worked well, but the corner produced the most controlled stream, and I was able to pour into a narrow opening without spilling or dripping.

The only usability issue I noticed is the lid. With two hands, it’s easy to open and close, but one-handed use is a little more awkward.

To open it, you pull up the silicone vent to release the pressure, then lift the silicone edge while holding the container down. To close it, you leave the vent open, press around the lid until it seals, and then push the vent back down.

It’s not difficult, but it takes a little more effort than a traditional lid with snap latches, especially if you’re trying to open it with one hand.

Claim 2: Microwave Safe

The Misenware claim I was most skeptical about is that these stainless steel containers are microwave safe, because we’ve always been told to never put metal in the microwave.

According to Misen, the containers are microwave safe because the steel is thick and the corners are rounded, so the microwave energy doesn’t concentrate in one spot and cause sparks.

Misen says they’re safe for up to 5 minutes in an 1100-watt microwave, or up to 10 minutes in a 1000-watt microwave. Mine is 1100 watts, so I tested the 5-minute limit.

For the first test, I filled the container with tomato sauce and let it run for the full five minutes. Just to be extra safe, I moved the microwave outside.

I was expecting to see sparks at some point, especially as the timer kept counting down, but nothing happened. There were no sparks, weird noises, fire, or damage.

Once I knew it could safely handle the full five minutes, I wanted to see how well it actually reheats food compared to glass.

I put the same amount of tomato sauce, starting at about 73°F, in a medium Misenware container and a similarly sized glass container. I heated each separately in 1-minute intervals for a total of 3 minutes and measured the temperature in the center, near the edge, and on the outside of the container.

After 3 minutes, the sauce in Misenware measured about 125°F in the center and 150°F near the edge. The glass container measured about 115°F in the center but reached 170°F near the edge.

The Misenware container also stayed cooler on the outside. After 3 minutes, its exterior measured about 128°F compared to 140°F for the glass container.

So both containers reheated the sauce effectively, but neither heated it perfectly evenly. The glass developed a particularly hot area around the edge.

I also tested Misenware with the lid on and the steam vent open, which is what Misen recommends. That worked fine too, although the tempered glass portion of the lid got hot, reaching about 122°F.

I ran another comparison using similar pieces of cold pork starting at about 56°F. After heating each for 1 minute and 30 seconds, the pork in Misenware reached about 117°F, while the pork in the glass container reached about 210°F.

That pork test wasn’t perfectly controlled because the pieces weren’t identical in every dimension, but the difference was large enough to show that certain solid foods may heat considerably slower in Misenware than in glass.

So although these stainless steel containers can safely reheat food in a microwave when used according to Misen’s instructions, microwave-safe doesn’t necessarily mean they’ll perform exactly like glass. Heating speed and evenness can vary depending on the food.

Claim 3: Leakproof

Misen also claims these containers are leakproof when the lid is sealed and the vent is closed.

To test that, I filled one with water, sealed it, and shook it as hard as I could for 30 seconds. Fortunately, nothing leaked. I repeated the test with crushed tomatoes and got the same result.

However, I started to see some leaking when I added impact. I dropped the container a few inches onto the lid, and a small amount of water escaped. I tried it again with tomato sauce and got a few splatters around the silicone edge.

Then I filled one with tomato sauce, wrapped it in paper towels, put it in a backpack, ran around with it, shook the bag, and dropped it a few times onto the grass.

When I took it out, there were a few spots of tomato sauce on the paper towel and around the edge of the lid.

Based on my testing, I’d consider Misenware leakproof for normal carrying, tipping, and shaking. But if the container takes a hard impact or gets thrown around inside a bag, there is a chance a small amount could escape.

Claim 4: Oven, Grill & Freezer Safe

Misen also claims these containers are safe in the freezer, oven, and even on the grill.

I filled one almost to the top with water, sealed it, and left it in the freezer overnight. The next morning, the water was frozen, but the lid stayed on and there was no cracking, warping, or damage.

For the oven test, I baked brownies in two different containers. One batch stuck a little even though I greased the container, but otherwise they cooked normally and came out great. I didn’t notice any issues with the heat.

I also tossed chopped zucchini into one of the containers, seasoned it directly in the container, and put the whole thing on the grill. It cooked fine, and the container didn’t warp or get damaged.

You’re not going to get the same browning or char as you would with food spread directly across the grill, but for smaller pieces that might fall through the grates, or if you want to prep, cook, and store everything in the same container, it’s really convenient.

That versatility is one of the biggest advantages of stainless steel Misenware compared to conventional plastic or glass food storage containers.

Claim 5: Won’t Stain or Hold Odors

One of the benefits of stainless steel is that it shouldn’t stain or hold onto odors like plastic.

I left tomato sauce in one container for two days, then washed it with soap and water. It came completely clean with no staining or odor.

I also stored minced garlic in another container for three days. After washing it, I couldn’t smell any garlic on the stainless steel or the lid.

Both of Misen’s claims held up in my testing.

Claim 6: Built to Last

One of Misen’s boldest claims is that these containers are built to last a lifetime, which is a big promise considering plastic containers can crack, snap latches can loosen or break, and glass containers can shatter if you drop them.

To test long-term durability, I ran the containers and lids through the dishwasher more than a dozen times and opened and closed the same lid 300 times.

After all of that, I didn’t see any cracking, tearing, stretching, or loosening. The lid still worked exactly the same.

Then I filled a Misenware container and a similarly sized glass container with water and dropped them from chest height onto pavement at the same time.

The glass container shattered. The Misen container bounced off the pavement, and the lid stayed on. The only damage was some tiny cosmetic nicks on the bottom. There were no dents.

I dropped the Misen container again directly onto the lid. This time, the lid popped off and the water spilled, but the glass in the lid didn’t break and nothing was damaged. I dropped it one more time on the lid, and there was still no damage.

Just to see how far I could push it, I filled the Misen container with water again and dropped it out of my second-story window from about 22 feet onto the driveway. This time, it finally broke.

The impact badly dented the bottom corner and shattered the glass in the lid.

So these containers are extremely durable and much more forgiving than glass if you drop them, but they’re definitely not indestructible.

Bottom Line: Are Misenware Food Storage Containers Worth It?

After all that testing, are the Misenware food storage containers worth buying?

The short answer is yes. I think they’re definitely worth buying for the right person.

For me, the biggest reason is the design. Having one lid that fits every container sounds like a small thing, but if you’re used to digging through a drawer trying to match lids and containers, it makes a huge difference.

They also stack and nest extremely well, so the whole system stays much more organized.

You’re getting much better durability and more versatility than a typical plastic or glass set, too. You can move the same container between the fridge, freezer, microwave, oven, and grill instead of transferring food between several different dishes.

The big tradeoff is price. When I tested seven of the top-rated glass and plastic food storage sets, OXO Smart Seal was my winner, and you can get a larger set with more containers for a lot less money than Misenware.

Misen also has a few other drawbacks.

You can’t see through the stainless steel sides, the lid takes a little more effort to open, and because every container has the same relatively narrow footprint, the larger sizes get deeper instead of much wider. That makes them less convenient for foods like sandwiches, pizza, or larger pieces of food that you want to lay flat.

The leakproof claim also needs some context. I had no leaks during my normal shaking tests, but hard impacts caused small amounts of liquid to escape. And while the containers are extremely durable, my 22-foot drop test proved they aren’t literally unbreakable.

If your main priority is value, there are many less expensive options, and OXO is still my top pick for glass containers.

But if you’re willing to spend more for food storage containers that are easier to keep organized, much harder to break, and significantly more versatile, I think Misenware is worth the investment.

Check the current prices, sizes, and available sets on Misen.com.