Pyrex

Pyrex Simply Store 18-Piece Glass Storage Set

Plasticproof Excellent $$$Our price tier

Borosilicate glass is chemically inert — no microplastics leach into food, even when heated in the microwave or dishwasher.

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Food sits on inert glass, not plasticGlass does not leach particles into food — even when hot.
Microwave, oven & freezer safeNo particle release when heated, unlike plastic tubs.
Chosen on material science, not hype
See exactly how we verify this

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Why it's safe for your family

  • Borosilicate glass is chemically inert — it doesn't react with food, acids, or heat. No compounds leach into what you eat, ever.
  • Zero microplastic risk in the microwave — heating plastic containers accelerates particle release dramatically. Glass doesn't degrade.
  • No BPA or BPS — these endocrine-disrupting compounds are found in most plastic containers. Glass has never contained them.
  • Dishwasher and oven safe — no degradation from repeated washing or high temperatures, unlike plastic that weakens over time.

Is this really plastic-free where it matters? Yes — and here's why

The containers are tempered glass — a chemically inert material that does not leach or shed particles into food, hot or cold, in the microwave or the dishwasher. Your food only ever touches glass.

Honest note: the containers are glass; the lids are BPA-free plastic. The point is that food is stored and reheated in the glass — it sits on glass, never on hot plastic — and the lids stay off the food surface. That is exactly the swap the microwaving-in-plastic research points to.

Quick specs

Set Size
18 pieces (9 containers + 9 lids)
Material
Borosilicate glass
Dishwasher Safe
Yes — glass and lids
Key Feature
Zero leaching — microwave, oven, freezer safe

What to avoid instead

Microwaving food in plastic containers is one of the most common — and most easily avoided — sources of microplastic ingestion at home. Heat is the key accelerant.

Research finding

Studies consistently show that microwaving food in plastic containers dramatically increases the release of microplastic particles into food. Older or scratched containers are especially hazardous. Even containers labeled "microwave safe" can still leach particles — that label refers to structural integrity, not chemical safety. The simplest fix: use glass instead.

How we verify — and what we don't

Straight answer: we're a research team, not a testing lab. Here's exactly what our rating is based on — and what it isn't — so you can weigh it honestly.

What we check

  • What the product is made of, from the maker's own specs and product listing.
  • Whether any part that touches you or your food uses PTFE, PFAS, plastic, or a coating that can degrade.
  • Peer-reviewed research on how that material behaves when heated, scratched, washed, or worn.
  • Known failure modes — how the product actually breaks down in a real home.

What we don't do

  • We have not chemically tested this specific unit in a lab.
  • We don't take payment to rate a product higher — there is no sponsored placement.
  • We don't show star ratings or "trusted by thousands" counts we can't stand behind.
What gets a product rejected

Anything that adds a known microplastic, PFAS, or off-gassing source — a non-stick coating, a plastic surface against food or skin, vinyl/PVC — is downgraded or cut. We only list what clears that bar.

Common questions

Is it microwave safe?
Yes. Pyrex borosilicate glass is fully microwave safe. Unlike plastic, it doesn't release any particles or chemicals when heated. This is precisely why it's the #1 recommended swap — you get the convenience of microwaving without the microplastic risk.
Will the lids last?
The plastic lids are durable and designed for long-term use. They're not intended for microwave or oven use — remove lids before reheating. For storage and transport, they seal tightly and hold up well with normal dishwasher cycles. Many families replace lids every few years, while the glass containers last indefinitely.
Is it dishwasher safe?
Yes — both the glass containers and the lids are dishwasher safe. The glass won't degrade, cloud, or absorb odors over time, unlike plastic containers that often need replacing after repeated washing.
Related reading
The Best Glass Food Storage Containers: Our Research-Backed Picks

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