Pyrex No-Leak Glass · Food Storage Containers
Snapware Total Solution 18 Piece Pyrex GLASS Food Storage
Lower PFAS concern, glass containers are inherently PFAS-free; watch the plastic lids.
Pyrex's glass food-storage containers themselves pose minimal PFAS risk because borosilicate glass is inert and doesn't require chemical coatings.
Shop Pyrex No-Leak Glass on Amazon →Material
borosilicate glass with plastic lids
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Uncoated safe material
Bare, uncoated material (cast iron, stainless, carbon steel, or glass) with no surface treatment to contain PFAS.
Category baseline
food packaging is a category where PFAS exposure is more common.
The full breakdown
What it's made of and why it matters
This product pairs borosilicate glass containers with plastic lids. Borosilicate glass is chemically stable, nonporous, and does not leach metals or organic compounds under normal use. The plastic lids are the variable; typical food-storage container lids are polypropylene (PP) or copolyester, both of which have low migration risk at room temperature and modest microwave use. The glass-to-plastic seal design means the lid sits atop rather than pressed into food contact, reducing leaching potential compared to integrated plastic-glass hybrids.
The brand's record and disclosure
Pyrex (owned by Instant Brands) has a long history in borosilicate glassware and maintains FDA compliance statements for glass food-contact products. The brand does not prominently advertise PFAS-free certification or provide detailed plastic-lid material specs in marketing materials, which is typical for this category but limits transparency. No recalls or toxicity controversies specific to Snapware glass containers are publicly recorded. The brand's silence on PFAS reflects standard industry practice rather than a red flag, since glass inherently excludes PFAS.
How it compares in its category
Glass food storage is categorically safer than plastics-only alternatives for chemical migration; borosilicate glass is superior to soda-lime glass because it is more durable and has a lower thermal shock risk. Snapware competes with OXO, Rubbermaid Brilliance, and Pyrex's own glass-only lines. The 18-piece set includes multiple lid types; this is standard value-oriented packaging but means some lids may see more heavy use than others. Lock-style plastic lids on glass containers are common across price points and pose equivalent hazard profiles.
If you buy it
Do not microwave in the plastic lids attached; remove them and microwave the glass containers alone, or transfer to microwave-safe ceramic. Hand wash lids to avoid dishwasher heat cycling, which accelerates plastic degradation and potential leaching. Replace lids if they become cloudy, brittle, or discolored, typically every 2 to 3 years with regular use. Store away from direct sunlight and do not expose lids to prolonged heat (above 70 degrees Celsius / 158 degrees Fahrenheit); glass cores can last indefinitely if not thermally shocked.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Plastic lid material migration (BPA/BPS or phthalates)
Lid composition is not detailed in product specs; typical PP and copolyester lids carry minimal migration risk at room temperature, but heated storage or prolonged hot-food contact could induce low-level leaching. Risk is substantially lower than single-piece plastic containers because glass does not require plasticizers.
Microplastics from lid degradation
Repeated dishwasher cycles or UV exposure can cause plastic lids to become brittle and shed particles over years. This is manageable through hand washing and timely replacement, but not entirely avoidable with multi-year use.
Thermal shock and glass fracture
Borosilicate glass is more resistant to thermal shock than ordinary glass, but moving from freezer directly to hot stovetop or oven can still cause cracking. Pyrex has issued guidance on temperature differentials; users should allow gradual warming.
Lid seal failure and food spoilage
Snapware lids rely on snap or lock closures that wear with use; seal degradation does not pose a toxicological hazard but increases risk of bacterial growth if food is stored at ambient temperature. Replace compromised lids promptly.
Lead or cadmium in glass (glazing/decoration)
No recalls or positive tests for heavy metals in Snapware borosilicate glass containers are recorded. Borosilicate formulations do not require lead; any decoration is minimal. Risk is well below that of vintage glassware or ceramic containers.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 92% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Food Storage Containers
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⚠Risky category by default
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Lower-concern option; glass containers avoid PFAS coatings, but verify lid material before purchase.
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Cream 6.6-Cup Non-Stick Glass Food Storage Container with Lid
borosilicate glass with non-PFAS lid
Lower PFAS concern, glass container with stated non-PFAS lid, though third-party verification absent.
⚠Risky category by default
More food storage containers grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.