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The Best Non-Toxic Food Storage Bags

We vetted food storage bags against the Welpr Standard and here are our top picks.

Camille May

Cofounder & Product Curator

Olushola M. Awoyemi

Medical Reviewer, PhD

Here's what we look for:

Reusable or compostable alternatives like food-grade silicone, cornstarch, or PLA
Free from bisphenols, phthalates, PVC, PFAS, and other coatings
Transparent sourcing, materials, and manufacturing practices

The Best Non-Toxic Food Storage Bags for a Cleaner Kitchen

On Welpr, terms like "non-toxic," "safer," "cleaner," "healthier," and "vetted" are editorial labels based on our own standard for product assessment. They are not guarantees, certifications, or medical claims. Learn more.

Top Pick

Stasher

Silicone Reusable Food Storage Bags

Highlights: EU safety standards, Recyclable packaging, Recycled materials, Dishwasher safe, Microwave safe, Freezer safe, Food-contact safe, Lifetime warranty, Money-back guarantee, Pinch lock, Reusable, Half gallon size

9.0

Performance score

Where to buy

Amazon
See price

Pros

Thick, sturdy material that feels noticeably more durable than off-brand silicone bags.
The seal closes securely and stays shut during storage and travel.
Easy to clean by hand or in the dishwasher.
Clear versions let you see contents at a glance, which helps when you have a lot in the freezer.
Versatile across freezer, microwave, oven, and sous vide without needing separate containers.

Cons

The seal can be tight enough that it's a challenge to open, especially one-handed.
Several people reported the large bag tearing after just a few uses, sometimes right through the center.
Less convenient for quick, high-frequency use than disposable bags, especially in a busy kitchen.

Silicone bags that seal with a patented pinch-lock closure and work as a direct replacement for single-use plastic zip bags. You can store food, freeze it, microwave it, or even cook sous vide in the same bag.
Unlike plastic bags, these go in the dishwasher, microwave, and oven. The silicone holds up to repeated heating and cooling cycles without breaking down.
The seal is airtight but not ziplock-style; you press the top edges together to close. It takes a little getting used to compared to a plastic slider bag, but it holds liquids without leaking once sealed.
Stasher offers a lifetime warranty on these non-toxic food storage bags. If one gets damaged through normal use, they replace it.
Silicone isn't curbside recyclable, so if a bag eventually wears out, Stasher partners with TerraCycle to take it back for responsible recycling rather than sending it to landfill.

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Budget Pick

HoldOn

Zipseal Sandwich Bags

Highlights: Plastic-free packaging, Recyclable packaging, Freezer safe, Food-contact safe, Money-back guarantee, Zipper seal, Reusable, Sandwich size

8.8

Performance score

Where to buy

Target
See price

Pros

The zip seal closes tightly and is easy to open and reseal multiple times.
Durable compared to other compostable options, and can be reused a couple of times before composting.

Cons

Not as durable as traditional plastic bags; ants chewed through the material easily, and they don't hold up to repeated washing and reuse.
May not keep food fresh for more than same-day use; one person found cheese drying out overnight.

Compostable sandwich-size zipseal bags made from plant-based materials like cornstarch and PLA. They work just like conventional plastic zip bags but break down cleanly without producing microplastics or toxic residue when composted.
The zip seal is designed to be kid-friendly, so packing school lunches and snacks is straightforward. Beyond food, people use them to organize small items in bags, drawers, and travel kits.
Most compostable bags are only industrially compostable, meaning you need access to a commercial facility. These are also certified for home composting, so they'll break down in a backyard compost pile.
HoldOn recommends storing them in a cool, dry spot and using them within six to nine months of purchase. Heat and moisture can affect the material over time since it's designed to decompose.
As non-toxic food storage bags, they haven't undergone fluorination at any stage of production, which is worth noting since some conventional and even eco-friendly bags have been found to contain fluorinated compounds.

Winrock

Reusable 100% Silicone Food Storage Bags

Highlights: Dishwasher safe, Microwave safe, Freezer safe, Food-contact safe, 3 year warranty, Zipper seal, Reusable, Sandwich size

8.7

Performance score

Where to buy

Amazon
See price

Pros

Thick silicone feels durable and holds up to rough handling, including freezer use and repeated washing.
The seal opens and closes with minimal effort, and can be vented slightly for microwave steaming.
Stands upright on its own, making it easy to fill and store in the fridge or freezer without tipping.
Works well for microwave cooking; multiple people use them to steam vegetables and cook fish directly in the bags.
Cleans easily in the dishwasher because the thick material holds the bag open when placed upside down on the rack.

Cons

Not leak-proof; when inverted or squeezed, liquid can escape from the corners, so storing soups or wet foods on their side is risky.
The smallest bag in the 3-size set is too small for a sandwich, and the medium is slightly too large, leaving a gap in the most common use case.
The measurement markings printed on the side are inaccurate.
Silicone can stain from pigmented foods like carrots after a single use.

Made entirely of silicone, these bags work like zip-lock plastic bags but are reusable indefinitely. They seal with a pinch closure rather than a snap-on lid.
The bags can stand upright on their own, which makes them practical for storing soups, liquids, or anything you'd rather not tip over in the fridge.
Safe to go from freezer to microwave to dishwasher (bottom rack included), and they can even be boiled with food inside. When not in use, they fold flat for storage.
Soft and flexible rather than rigid, so they compress to fit into tight spaces. If you're replacing plastic bags specifically to avoid single-use waste, these non-toxic food storage bags are a direct swap in terms of how they feel and function.
Comes as a three-pack in small, medium, and large sizes, covering everything from snacks to full leftovers.

Vove

Compostable Storage Bags

Highlights: Cruelty-free, Pregnancy safe, Plastic-free packaging, Compostable packaging, Freezer safe, Money-back guarantee, Press seal, Reusable, Snack size

8.5

Performance score

Where to buy

Amazon
See price

Pros

Thick and sturdy; multiple people found them stronger than conventional plastic bags.
Hold up well in the freezer for portioning and storing food.
Can be rinsed and reused multiple times without losing their shape or texture.
The gallon size runs slightly larger than standard gallon bags from major brands.

Cons

The seal doesn't always hold tightly, and food like cheese can still dry out.
Bags are opaque, so you'll need a marker to label contents.

Plant-based zip bags that function like conventional plastic storage bags (airtight seal, freezer-safe, writable surface) but break down fully in compost rather than persisting as microplastics.
In an industrial composting facility, they break down in about 8 to 12 weeks. Home composting takes longer, roughly 3 to 9 months depending on conditions.
The material has a soft, matte texture rather than the slick, staticky feel of conventional plastic bags. It's a noticeable difference when you handle them.
Best suited for dry and solid foods. The seal is described as leak-resistant rather than leak-proof, so liquids like marinades or juicy fruits may seep through at the corners.
Rinsable and reusable across multiple uses, which helps offset the higher per-bag cost compared to conventional non-toxic food storage bags.
Vove is a Danish-founded brand that allocates 20% of profits to forest restoration and carbon capture. Products are designed in Copenhagen and manufactured across facilities in Europe, the US, and Asia.

W&P

Silicone Reusable Storage Bag

Highlights: Dishwasher safe, Microwave safe, Freezer safe, Food-contact safe, Zipper seal, Reusable, Quart size

8.2

Performance score

Where to buy

Amazon
See price

Pros

Zipper seal closes easily and stays leak-free, even with liquids and frozen items.
Flexible and malleable compared to rigid silicone alternatives, making them easier to work with.
More transparent than most silicone bags, so you can actually see what's inside.
Rounded corners make cleaning noticeably easier than bags with hard-to-reach seams.
Thick, sturdy material that feels durable in hand.

Cons

The silicone surface attracts dust, hair, and lint, and one person found it hard to keep clean over time.
The stand-up style doesn't fold flat when empty, taking up significant drawer space.
The opening on the stand-up bags is narrow relative to the bag's overall size, making it harder to fill.
Several people experienced rips or tears after a few months of regular use, particularly after repeated dishwasher cycles.

Each bag is molded from a single piece of silicone with no seams, glues, or adhesives holding it together. That one-piece construction means there are no hidden crevices where food or moisture can get trapped.
Curved interior corners instead of sharp ones make cleanup easier since gunk can't collect in tight edges. The bag flips inside out for hand washing or goes straight in the dishwasher.
One side is clear so you can see (and label) what's inside; the other side is a solid color. Handy if you're the type to forget what you froze three weeks ago.
Beyond the fridge and freezer, these work in the microwave and oven, so you can store ingredients and cook with the same bag. Also useful for non-food stuff like first-aid kits or makeup in a travel bag.
For anyone replacing disposable plastic bags with non-toxic food storage bags, these come in three sizes (snack, sandwich, and large) and lay flat, so they take up less space than rigid containers.
W&P is a Brooklyn-based design company that started in barware and expanded into reusable kitchen products. Their silicone is manufactured in China and meets both FDA and LFGB food-grade standards.

W&P

Silicone Reusable Storage Bags Set

Highlights: Dishwasher safe, Microwave safe, Freezer safe, Food-contact safe, Zipper seal, Reusable

8.1

Performance score

Where to buy

Amazon
See price

Pros

Zipper seal closes easily and holds tight; multiple people trust these with liquids and frozen foods without leaking.
More flexible and malleable than other silicone bags, behaving closer to a regular plastic bag rather than rigid silicone.
Rounded corners and smooth interior make cleaning straightforward, and the zipper area doesn't trap grime the way competitors' do.
Material is notably transparent, which is uncommon for silicone bags and makes it easy to see contents.

Cons

The silicone attracts dust, hair, and lint on the exterior, and one person reported persistent black spots developing over months of use.
The stand-up bags don't fold flat for storage, taking up significant drawer space even when empty.
A few people experienced rips or tears after several months, particularly around the seal area after repeated dishwasher use.
The opening on the stand-up style is narrow relative to the bag's depth, making it harder to fill.

Each bag is molded from a single piece of silicone with no seams, glues, or adhesives joining separate parts. That one-piece construction means there are no hidden crevices where food or moisture can get trapped.
Curved interior corners instead of sharp ones make cleaning easier; you can also flip the entire bag inside out to wash it by hand or toss it in the dishwasher.
The bags stand upright on their own, so they store neatly in the fridge or freezer without tipping over or getting buried under other containers.
One side is clear so you can see (and label) what's inside, while the back has a colored panel. Useful if you're someone who forgets what's in the freezer.
Beyond food storage, these work as non-toxic food storage bags for toiletries, first-aid supplies, or craft materials, since silicone doesn't absorb odors or stains the way plastic can.
W&P is a Brooklyn-based design company that started in barware (their first product was a cocktail shaker) and expanded into reusable kitchen goods. Manufacturing is done in China.

Food Huggers

Hugger Bags Silicone Reusable Lunch & Snack Bag Durable Storage

8.0

Performance score

Where to buy

Amazon
See price

Zip Top

Reusable Food Storage Bags

Highlights: Made in USA, Hypoallergenic, Recyclable packaging, Dishwasher safe, Microwave safe, Freezer safe, Food-contact safe, Zipper seal, Reusable, Snack size

7.8

Performance score

Where to buy

Amazon
See price

Pros

Opens and closes easily, with a zip that's noticeably simpler to operate than competing silicone bags.
Cleans well in the dishwasher; the design lets you prop them open on the rack so the inside dries fully.
Stands upright on its own and stays open during filling, which makes loading food straightforward.
Keeps produce fresh for weeks; one person stored grapes for nearly seven weeks with no mold or odor.
Works well for dry snacks, meal prep, and short-term freezer storage of grains or soups.

Cons

Not airtight or leak-proof; liquids will escape if the container is tilted or inverted, so it's upright-only for anything wet.
The "frost" color appears yellowish or brownish in person rather than the clear look shown in product photos.
Silicone can retain odors after use, especially with strongly flavored foods.

Each container is a single piece of molded silicone with no seams, glue, or plastic sliders, so there are no crevices where food can get trapped. No separate lids to lose, either.
Unlike typical silicone bags that flop over, these non-toxic food storage bags stand upright on their own and stay open while you fill them, then zip shut along a rounded track.
The zipper design uses wide, rounded interlocking ridges rather than the thin flat zippers on disposable plastic bags. That makes them easier to clean but means they're not fully airtight; the brand recommends keeping liquids upright.
Safe to go from freezer to microwave to dishwasher without swapping containers. The thick silicone won't get brittle from repeated freezing or warp in the microwave.
Some foods (tomato sauce, curry, cooked carrots) can stain the silicone over time. A baking soda paste left on for a few hours helps, but it's worth knowing if you store a lot of red or orange foods.
Both the silicone and the containers themselves are manufactured in the U.S., which is how Zip Top controls material purity. The silicone is platinum-cured, the highest food-grade classification.

How to Swap to Non-Toxic food storage bags:

Here's how to swap to non-toxic food storage bags:

What to know about food storage bags

Food storage bags come into direct contact with the food you and your family eat, often for hours or days at a time. Welpr looks at what these bags are made of, including the type of material, any chemical treatments, and whether the materials can transfer into food — especially with heat, acidity, or prolonged storage.

Bags used for hot foods, fatty foods, or long-term freezer storage deserve the most attention since these conditions can increase what transfers into food.
If you use food storage bags daily — for lunches, snacks, or meal prep — they are a higher priority to evaluate than bags you rarely reach for.

Review the bags you already use

Check the packaging or product description of your current food storage bags. Look for information about the type of material, whether they are labeled BPA-free, and if there are any claims about chemical treatments or additives.

Look on the box or bag for recycling codes — common food storage bags are made from polyethylene (recycling codes #2 or #4), which is generally considered a simpler, more straightforward plastic.
Start by reviewing the bags you use most often or the ones that come in contact with warm or fatty foods.

Use your current bags more carefully

If you are not ready to replace your bags right away, small changes in how you use them can reduce what transfers into your food. Avoiding heat exposure is one of the most effective steps you can take.

Let hot food cool down before placing it in a plastic bag, and never microwave or heat food directly in a storage bag.
For acidic or fatty foods like tomato sauce or cheese, consider placing a piece of parchment paper between the food and the bag as a simple barrier.

Choose cleaner replacements

When it is time to replace your food storage bags, look for options made from simpler materials without added chemical treatments, synthetic fragrances, or unnecessary coatings. Reusable bags made from food-grade silicone or uncoated natural materials are worth considering.

Look for bags that are free of BPA, BPS, PVC, and phthalates — and be cautious of vague claims like "eco-friendly" without specifics about what the bag is actually made of.
Click the button above to shop Welpr Approved food storage bags.

Camille May

Cofounder & Product Curator

Camille May is the co-creator of Welpr and a guide for clean living. After selling her last company in the health food space, she went non-toxic while working to heal an autoimmune condition....

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Olushola M. Awoyemi

Medical Reviewer, PhD

Olushola M. Awoyemi (aka Shola) is a board-certified toxicologist and a research scientist with a PhD in Environmental Toxicology. Shola's long-term ambition is to be recognized as a world-renowned expert in toxicology,...

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