Plasticproof Excellent
Lodge
Zero coating to degrade — naturally nonstick when seasoned. Unlike Teflon pans, cast iron releases no PFAS or microplastics, even at high heat.
$$$Our price tier
Pyrex
Pyrex Simply Store 18-Piece Glass Storage Set
Plasticproof Excellent $$$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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Research-backed
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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.
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.
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
