18-Piece Clear Glass Food Storage Container Set vs Glass Meal Prep Set: which is safer?
Pyrex Glass Meal Prep Set is our pick: better on PFAS and on the overall hazard picture.
Pyrex
18-Piece Clear Glass Food Storage Container Set
PFAS grade
Excellent 80/100
Overall grade
Good 52/100
Verdict
Buy
Hazard flags
⚑ 4
Material
borosilicate glass with plastic lids
Confidence
88%
PossiblePlastic lid leaching (non-PFAS)
PossibleSeal degradation and bacterial growth
ReportedGlass breakage hazard
Our pick
Pyrex
Glass Meal Prep Set
PFAS grade
Excellent 95/100
Overall grade
Good 71/100
Verdict
Buy
Hazard flags
⚑ 3
Material
borosilicate glass with metal lids (likely stainless steel or aluminum)
Confidence
92%
PossibleMetal lid corrosion and leaching
ReportedSilicone or rubber gasket degradation
ReportedThermal shock fracture from glass
Where these two actually differ
- We flag Plastic lid leaching (non-PFAS), Seal degradation and bacterial growth, Glass breakage hazard and Lid staining and odor retention on the Pyrex and not on the Pyrex.
- We flag Metal lid corrosion and leaching, Silicone or rubber gasket degradation and Thermal shock fracture from glass on the Pyrex and not on the Pyrex.
- The Pyrex is borosilicate glass with plastic lids where the Pyrex is borosilicate glass with metal lids (likely stainless steel or aluminum), which is most of the difference in these two grades.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More food storage containers: see the full ranking