Glass Food Storage Containers, ranked by PFAS safety
All 6 glass options in our food storage containers database, graded Bad to Excellent and ranked safest first. 6 earn a buy-worthy grade.
Pyrex
Glass Meal Prep Set
borosilicate glass with metal lids (likely stainless steel or aluminum)
Metal lid corrosion and leaching
Limited concern
Silicone or rubber gasket degradation
Moderate concern
Thermal shock fracture from glass
Moderate concern
Lower PFAS concern; glass meal prep containers are inherently a safer material choice.
⚠Risky category by default
Pyrex
Freshlock 10-Piece Glass Storage Set
Borosilicate glass containers with plastic lids (PP/TPE closure material unspecified)
Microplastics
Limited concern
Additive migration from plastic lids
Limited concern
Glass breakage and physical injury
Moderate concern
Bacterial growth in degraded or poorly sealed lids
Limited concern
Lower PFAS concern; glass containers are inherently low-risk; check lid material if possible.
⚠Risky category by default
Pyrex
6-Piece Food Storage Container Set
borosilicate glass with plastic lids
Plastic lid degradation and replacement necessity
Limited concern
Microplastic shedding from lids under heat stress
Limited concern
Undisclosed chemicals in lid coatings or gasket materials
Limited concern
Borosilicate glass breakage and cut hazard
Moderate concern
Lower PFAS concern; borosilicate glass containers pose minimal risk; plastic lids warrant standard caution.
⚠Risky category by default
Pyrex
18-Piece Clear Glass Food Storage Container Set
borosilicate glass with plastic lids
PFAS
Limited concern
Seal degradation and bacterial growth
Limited concern
Glass breakage hazard
Moderate concern
Lid staining and odor retention
Moderate concern
Lower PFAS concern; glass containers are inherently safe; plastic lids carry modest risk but no confirmed data.
⚠Risky category by default
Pyrex
Simply Store 6-Piece 2-Cup Glass Storage Container Set with Lids
borosilicate glass container, plastic lids (likely polypropylene or polyethylene)
Plastic lid degradation and microplastic release
Limited concern
Borosilicate glass thermal shock fracture
Limited concern
Lower PFAS concern; glass containers are a solid choice; monitor plastic lid sourcing if you want extra assurance.
⚠Risky category by default
Pyrex
Simply Store 10-Piece Glass Storage Container Set
borosilicate glass containers with plastic lids
BPA & bisphenols
Limited concern
Lid degradation and seal failure
Moderate concern
Microplastic shedding from lids
Limited concern
Lower PFAS concern; glass itself is inherently PFAS-resistant, though plastic lids warrant caution.
⚠Risky category by default
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