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11 Safest Food Storage Containers For Non-Toxic Noms Image by Sustainable Jungle #safestfoodstoragecontainers #safefoodstorage #nontoxicfoodstoreagecontainers #bestnontoxicfoodstoragecontainers #safestglassgoodstoragecontainers #nontoxictupperware #sustainablejungle
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11 Safest Food Storage Containers For Non-Toxic Noms

Amber McDaniel

Have you heard the news?

Plastic is out, and safe is in—as in the safest food storage containers, that is.

We’ve seen a big movement toward more sustainable food brands—which is fantastic!—but we shouldn’t lose sight of what our food is stored in either. Traditional plastic food containers are chock-full of harmful chemicals with tons of negative consequences for us and our planet.

And even BPA-free food storage containers aren’t exactly what we consider safe. That’s why we’re going beyond BPA-free with a list of our favorite (non-plastic) food keepers.

Everything we recommend to you on Sustainable Jungle is independently researched and we ask all brands to confirm their claims. To avoid waste, we test products on an as needed basis. This post contains affiliate links. If you buy something through our links, we may earn a small commission. Learn more about why we do this here.

The Best Non-Toxic Tupperware Brands For Safer Snacking

Caraway doesn’t skip on quality with its ceramic-coated, non-toxic glass tupperware sets that don’t contain any harmful chemicals. 

If plastic-free, durable, and recycling are your jam, Klean Kanteen‘s segmented silicone and stainless steel bento boxes will keep your lunch as non-toxic as they will neat and tidy.

Or keep it simple and classic. Kilner Jars have stood the test of time with their ultra-durable glass mason jars that won’t crack in the dishwasher, microwave, or oven.

1. Caraway

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Caraway‘s take on safe food storage solutions are high-quality glass coated with non-stick ceramic. The lids feature Air Release Technology, ensuring your food is fresh and odorless. 

The glass storage containers are available in small, medium, and large sizes, or in a set of all of them, which also comes with minimalist fabric covered storage slots to keep your cabinets tidy. Caraway also offers Dot and Dash containers, which are fantastic for dipping sauces and snacks.

We’ve tested Caraway containers, and we can say they are some of the best non-toxic food storage containers available. Not only are they safely stackable thanks to the slightly nested lids (which keep our fridge neat), but the non-stick coating really works. No more scrubbing out last week’s crusted on leftovers that we forgot about and let sit too long… The set also comes with a magic cleaning eraser to remove tough stains, and we’re thrilled that it works just as well on their eco-friendly cookware.

However, because the ceramic coating can be scratched, we’re careful to use wood or silicone utensils when scooping from the containers to ensure the coating stays pristine for years.

We’ve also tested them in the freezer, dishwasher, and microwave, and we’re happy to announce they perform well in each, but we do follow Caraway’s advice to keep the Dot and Dash containers out of the microwave.

We personally like to keep things green in every sense—hence why all our Caraway goodies come in the lovely muted Sage color—but you can choose from a range of soft, minimalist colors to better suit your personal palette (color, not taste, that is!).

Caraway products are made by BSCI and SMETA production partners in China, and, on the whole, don’t contain any BPA, BPS, PFOA, PTFE, or heavy metals. The non-stick ceramic coating produces 60% less CO2 than other non-stick coatings.


2. Hydro Flask

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Nearly everyone’s familiar with the Hydro Flask name for their colorful range of insulated eco-friendly water bottles, but liquids aren’t all their canisters are capable of carrying.

The food containers are made from 18/8 pro-grade stainless steel for zero flavor transfer and durability—with a lifetime warranty against product defects to back it up. They’re available in 8, 12, 20, and 28 oz sizes with a powder-coat finish that comes in just as many colors as their beloved bottles.

The food containers are dishwasher safe and have a leak proof seal, so you can take them on your next eco camping trip. But avoid any rogue appliances you find outdoors, as they aren’t oven, microwave, or freezer safe.

They’re shipped in FSC-certified paper packaging annd Hydro Flask gives back is through Parks For All, a program they created to develop more green spaces and make the outdoors more accessible.


3. Klean Kanteen

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Klean Kanteen‘s post-consumer recycled stainless steel non-toxic food containers never fail to deliver—and we’ve tested plenty of them to know.

The Food Box, featuring a leak proof silicone lid, is perfect for storing leftovers in the fridge and for our everyday lunch items. For example, it perfectly fits a sandwich (even the big bread kind!) with a little extra room for organic snacks, like carrot or celery sticks.

Because it’s so lightweight, it’s ideal as a packable container, and we like to keep it on hand if we go out to eat to sustainably box up any leftovers, especially our larger versions, which have removable dividers to keep different food separated. If you’re like us with VERY picky preferences about mixing food, you’ll know how clutch this is.

The insulated TKCanister is better used when we want a hot lunch, but don’t have the ability to heat it ourselves. That’s because its vacuum tight seal and double-wall insulated design keeps hot food hot almost all day. We find the 32oz size to hold the perfect amount for two, making it the perfect picnic pal.

Aside from prioritizing your safety with products free of plastic, epoxy linings, BPA, and other toxic chemicals, employee-owned Certified B Corp Klean Kanteen also prioritizes the well-being of its team and the environment. They’re Climate Neutral Certified and a member of 1% for the Planet. 


4. ECOlunchbox

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Using 100% high-quality, food-grade stainless steel, ECOlunchbox makes some of the safest storage containers for food in various shapes, sizes, and styles. 

You won’t find BPA, BPS, or phthalates, but you will find the tare weight of each container conveniently etched on the bottom to make your bulk store shopping trips easy.

We personally love their nesting Seal Cups, which make for the perfect meal prep containers, as they’re stackable and available in six sizes. Alternatively, we always reach for our Tri Bento box when we need to take food to go, thanks to it’s super secure, spillproof latching design and three perfectly stacking compartments.

The female-owned Certified B Corp ships all of their non-toxic food storage in recyclable materials and offsets the CO2 equivalent to 4.7 million pounds of coal burned every year. 


5. Vegibag

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Images by Vejibag

Vejibag has proper fresh produce storage in the bag—an undyed 100% French terry USA-grown organic cotton bag, that is.

To use, all you have to do is dampen the cloth (every few days if storing for longer than that), place your fresh greens and veggies inside, put the bag in the fridge, and enjoy the crisp, fresh taste when you pull them out days later.

These bags will keep produce fresh for two or more weeks by perfectly balancing the right moisture level, keeping things damp but not wet.


6. U Konserve

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Images by U Konserve

Plastic-free food storage containers don’t need to be colorful to be safe and effective. Sometimes, simple, unpainted stainless steel will do. U Konserve keeps it conversative with their premium stainless steel and silicone non-toxic tupperware.

Tested by CPSIA-accredited labs for any lead, BPAs, phthalates, and other harmful chemicals, the different sizes, shapes, and freezer-safe design make it safe and easy to store any and all leftovers.

If you’re looking for silicone food storage, the BounceBox is as close to perfect as it gets. It’s dishwasher, microwave, freezer, and oven safe up to 400°F.

U Konserve is family-owned and operated, prioritizes ethical production practices in their facilities in China, and is a member of 1% for the Planet.


7. Kilner Jars

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Images by Kilner Jars

Established way back in 1842 in England, Kilner Jars offers some of the safest glass food storage containers on the market—made from durable, heat-resistant borosilicate glass, which is exceptionally durable and allows you to put the glass jars in the microwave and oven. 

Whether you need a stout glass jar for jam or something longer for canning, the glass containers don’t stain or leech flavor. Acidic foods are also fine, as the glass containers are resistant to acid degradation.

The Breakfast Set is perfect for overnight oats, yogurt, storing granola, or anything else you would use glass storage containers for.

Additionally, Kilner ensures that its manufacturing processes adhere to responsible waste management practices, and shares food preservation tips and ideas for upcycling Kilner jars.


8. Package Free Shop

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Images by Package Free Shop

Package Free Shop hits nearly every mark with premium 18-10 food grade 316 stainless steel. It’s fire, oven, and dishwasher safe, but it can’t go in the microwave. The lids are airtight with a silicone seal installed without adhesive. Once they reach the end of their lifespan, the base and seal can be separately recycled at accepted locations. 

Package Free also carries borosilicate glass containers with tastefully designed sustainable bamboo lids. 

Every non-toxic food storage container is delivered in 100% plastic-free and paper-based materials. The zero waste online store is also big on giving back, supporting countless organizations, including Los Sures Food Pantry, Habitat for Humanity, Surfrider, and Black Girls CODE, to name a few. 


9. SuperBee

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Sometimes, safe food storage containers don’t need to be containers at all. In SuperBee’s case, they take the form of wraps, sandwich bags, and bread bags all made from (you guessed it) beeswax. Responsibly harvested, pesticide-free beeswax, to bee precise, combined with tree resin and organic coconut oil atop a 100% GOTS-certified organic cotton fabric base.

We’re buzzing about these reusable food wraps after having tried them ourselves, and we’re particularly impressed with how well they seal and keep food fresh. Even things like bread, which we’ve found can go stale because of small air gaps in a beeswax wrap’s seal, stay soft and fresh in these.

If you’re new to beeswax wraps, you can start with the Beginner 3-wrap set. Or if you’re like us and are dedicated users, go for the full Beeswax Wrap Combo pack with bags and wraps of all sizes.

SuperBee is a Certified B Corp, woman-owned, and supports women in Thailand by paying 20% more than the recommended living wage provided by the Fair Trade Association. 


10. Glasslock

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Images by Glasslock

Glasslock’s FDA-approved non-toxic glass food storage containers aren’t just BPA-free, non-toxic, freezer-safe, microwave-safe, and dishwasher-safe (on the top rack) but their tempered glass construction is so durable, it can even go into the oven (just don’t heat it TOO high).

The glass container lids include an airtight silicone seal and are available in circular and rectangular designs, which make them versatile enough to use for everything from lunches to baking.


11. Stasher

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If you’re looking for healthy food storage containers to act as alternatives to Ziploc bags, Stasher has the stash just for you. Made of 100% pure platinum-grade silicone, their reusable snack, sandwich, and freezer bags don’t contain any BPS, BPA, lead, phthalates, or latex. 

We’ve been using Stasher bags for years—and in fact, we’re still using our original bags, which tells you how long these last. Unlike other silicone bags we’ve tried that lose shape and discolor over time, Stasher bags stay their same colorful selves after years of regular use and cleaning, which you can easily do by either by hand or in the dishwasher. Just be sure to properly allow the inside to dry to prevent mildew that might leap onto unsuspecting food.

The downside is that silicone isn’t biodegradable and while it is recyclable, there aren’t yet widespread options to do so. Stasher offers one of the few, thanks to a partnership with TerraCycle so customers can recycle damaged or old bags. 

The company also utilizes SA8000-certified manufacturing sites and donates 1% to non-profit organizations supporting environmental causes across the globe.


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Why Choose The Safest Food Storage Containers?

Let’s talk about why you shouldn’t store food in plastic containers. Besides getting rid of unsightly pasta sauce stains, switching something more sustainable may benefit more than your cupboard aesthetics. 

Hard plastic containers typically contain Bisphenols (like BPA and BPS), while Ziploc bags and softer plastics typically contain phthalates, which can leach into stored food when heated or exposed to acidic foods and thus into the body where they can cause numerous health problems. 

BPA is linked to type 1 diabetes, high blood pressure, heart problems, and developmental problems—which is why the safest baby food containers should never be plastic.

Phthalates are known as endocrine disruptors, meaning they can interfere with normal hormonal function and lead to various health complications, like infertility and cancer. They also lead to high levels of oxidative stress, which is linked to cancer.

Not to mention, many traditional plastic storage containers aren’t recyclable or biodegradable, meaning they end up in landfills or pollute sensitive ecosystems with dioxins, microplastics, and heavy metals.


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